text: 'use strict';
  
  Object.defineProperty(exports, '__esModule', { value: true });
  
  var uuid = require('uuid');
  var util = require('util');
  var tslib = require('tslib');
  var xml2js = require('xml2js');
  var abortController = require('@azure/abort-controller');
  var logger$1 = require('@azure/logger');
  var coreAuth = require('@azure/core-auth');
  var os = require('os');
  var http = require('http');
  var https = require('https');
  var tough = require('tough-cookie');
  var tunnel = require('tunnel');
  var stream = require('stream');
  var FormData = require('form-data');
  var node_fetch = require('node-fetch');
  var coreTracing = require('@azure/core-tracing');
  var url = require('url');
  require('@azure/core-asynciterator-polyfill');
  
  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
  
  function _interopNamespace(e) {
      if (e && e.__esModule) return e;
      var n = Object.create(null);
      if (e) {
          Object.keys(e).forEach(function (k) {
              if (k !== 'default') {
                  var d = Object.getOwnPropertyDescriptor(e, k);
                  Object.defineProperty(n, k, d.get ? d : {
                      enumerable: true,
                      get: function () { return e[k]; }
                  });
              }
          });
      }
      n["default"] = e;
      return Object.freeze(n);
  }
  
  var xml2js__namespace = /*#__PURE__*/_interopNamespace(xml2js);
  var os__namespace = /*#__PURE__*/_interopNamespace(os);
  var http__namespace = /*#__PURE__*/_interopNamespace(http);
  var https__namespace = /*#__PURE__*/_interopNamespace(https);
  var tough__namespace = /*#__PURE__*/_interopNamespace(tough);
  var tunnel__namespace = /*#__PURE__*/_interopNamespace(tunnel);
  var FormData__default = /*#__PURE__*/_interopDefaultLegacy(FormData);
  var node_fetch__default = /*#__PURE__*/_interopDefaultLegacy(node_fetch);
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * A collection of HttpHeaders that can be sent with a HTTP request.
   */
  function getHeaderKey(headerName) {
      return headerName.toLowerCase();
  }
  function isHttpHeadersLike(object) {
      if (object && typeof object === "object") {
          const castObject = object;
          if (typeof castObject.rawHeaders === "function" &&
              typeof castObject.clone === "function" &&
              typeof castObject.get === "function" &&
              typeof castObject.set === "function" &&
              typeof castObject.contains === "function" &&
              typeof castObject.remove === "function" &&
              typeof castObject.headersArray === "function" &&
              typeof castObject.headerValues === "function" &&
              typeof castObject.headerNames === "function" &&
              typeof castObject.toJson === "function") {
              return true;
          }
      }
      return false;
  }
  /**
   * A collection of HTTP header key/value pairs.
   */
  class HttpHeaders {
      constructor(rawHeaders) {
          this._headersMap = {};
          if (rawHeaders) {
              for (const headerName in rawHeaders) {
                  this.set(headerName, rawHeaders[headerName]);
              }
          }
      }
      /**
       * Set a header in this collection with the provided name and value. The name is
       * case-insensitive.
       * @param headerName - The name of the header to set. This value is case-insensitive.
       * @param headerValue - The value of the header to set.
       */
      set(headerName, headerValue) {
          this._headersMap[getHeaderKey(headerName)] = {
              name: headerName,
              value: headerValue.toString(),
          };
      }
      /**
       * Get the header value for the provided header name, or undefined if no header exists in this
       * collection with the provided name.
       * @param headerName - The name of the header.
       */
      get(headerName) {
          const header = this._headersMap[getHeaderKey(headerName)];
          return !header ? undefined : header.value;
      }
      /**
       * Get whether or not this header collection contains a header entry for the provided header name.
       */
      contains(headerName) {
          return !!this._headersMap[getHeaderKey(headerName)];
      }
      /**
       * Remove the header with the provided headerName. Return whether or not the header existed and
       * was removed.
       * @param headerName - The name of the header to remove.
       */
      remove(headerName) {
          const result = this.contains(headerName);
          delete this._headersMap[getHeaderKey(headerName)];
          return result;
      }
      /**
       * Get the headers that are contained this collection as an object.
       */
      rawHeaders() {
          return this.toJson({ preserveCase: true });
      }
      /**
       * Get the headers that are contained in this collection as an array.
       */
      headersArray() {
          const headers = [];
          for (const headerKey in this._headersMap) {
              headers.push(this._headersMap[headerKey]);
          }
          return headers;
      }
      /**
       * Get the header names that are contained in this collection.
       */
      headerNames() {
          const headerNames = [];
          const headers = this.headersArray();
          for (let i = 0; i < headers.length; ++i) {
              headerNames.push(headers[i].name);
          }
          return headerNames;
      }
      /**
       * Get the header values that are contained in this collection.
       */
      headerValues() {
          const headerValues = [];
          const headers = this.headersArray();
          for (let i = 0; i < headers.length; ++i) {
              headerValues.push(headers[i].value);
          }
          return headerValues;
      }
      /**
       * Get the JSON object representation of this HTTP header collection.
       */
      toJson(options = {}) {
          const result = {};
          if (options.preserveCase) {
              for (const headerKey in this._headersMap) {
                  const header = this._headersMap[headerKey];
                  result[header.name] = header.value;
              }
          }
          else {
              for (const headerKey in this._headersMap) {
                  const header = this._headersMap[headerKey];
                  result[getHeaderKey(header.name)] = header.value;
              }
          }
          return result;
      }
      /**
       * Get the string representation of this HTTP header collection.
       */
      toString() {
          return JSON.stringify(this.toJson({ preserveCase: true }));
      }
      /**
       * Create a deep clone/copy of this HttpHeaders collection.
       */
      clone() {
          const resultPreservingCasing = {};
          for (const headerKey in this._headersMap) {
              const header = this._headersMap[headerKey];
              resultPreservingCasing[header.name] = header.value;
          }
          return new HttpHeaders(resultPreservingCasing);
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * Encodes a string in base64 format.
   * @param value - The string to encode
   */
  function encodeString(value) {
      return Buffer.from(value).toString("base64");
  }
  /**
   * Encodes a byte array in base64 format.
   * @param value - The Uint8Aray to encode
   */
  function encodeByteArray(value) {
      // Buffer.from accepts <ArrayBuffer> | <SharedArrayBuffer>-- the TypeScript definition is off here
      // https://nodejs.org/api/buffer.html#buffer_class_method_buffer_from_arraybuffer_byteoffset_length
      const bufferValue = value instanceof Buffer ? value : Buffer.from(value.buffer);
      return bufferValue.toString("base64");
  }
  /**
   * Decodes a base64 string into a byte array.
   * @param value - The base64 string to decode
   */
  function decodeString(value) {
      return Buffer.from(value, "base64");
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * A set of constants used internally when processing requests.
   */
  const Constants = {
      /**
       * The core-http version
       */
      coreHttpVersion: "2.2.4",
      /**
       * Specifies HTTP.
       */
      HTTP: "http:",
      /**
       * Specifies HTTPS.
       */
      HTTPS: "https:",
      /**
       * Specifies HTTP Proxy.
       */
      HTTP_PROXY: "HTTP_PROXY",
      /**
       * Specifies HTTPS Proxy.
       */
      HTTPS_PROXY: "HTTPS_PROXY",
      /**
       * Specifies NO Proxy.
       */
      NO_PROXY: "NO_PROXY",
      /**
       * Specifies ALL Proxy.
       */
      ALL_PROXY: "ALL_PROXY",
      HttpConstants: {
          /**
           * Http Verbs
           */
          HttpVerbs: {
              PUT: "PUT",
              GET: "GET",
              DELETE: "DELETE",
              POST: "POST",
              MERGE: "MERGE",
              HEAD: "HEAD",
              PATCH: "PATCH",
          },
          StatusCodes: {
              TooManyRequests: 429,
              ServiceUnavailable: 503,
          },
      },
      /**
       * Defines constants for use with HTTP headers.
       */
      HeaderConstants: {
          /**
           * The Authorization header.
           */
          AUTHORIZATION: "authorization",
          AUTHORIZATION_SCHEME: "Bearer",
          /**
           * The Retry-After response-header field can be used with a 503 (Service
           * Unavailable) or 349 (Too Many Requests) responses to indicate how long
           * the service is expected to be unavailable to the requesting client.
           */
          RETRY_AFTER: "Retry-After",
          /**
           * The UserAgent header.
           */
          USER_AGENT: "User-Agent",
      },
  };
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * Default key used to access the XML attributes.
   */
  const XML_ATTRKEY = "$";
  /**
   * Default key used to access the XML value content.
   */
  const XML_CHARKEY = "_";
  
  // Copyright (c) Microsoft Corporation.
  const validUuidRegex = /^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/i;
  /**
   * A constant that indicates whether the environment is node.js or browser based.
   */
  const isNode = typeof process !== "undefined" &&
      !!process.version &&
      !!process.versions &&
      !!process.versions.node;
  /**
   * Encodes an URI.
   *
   * @param uri - The URI to be encoded.
   * @returns The encoded URI.
   */
  function encodeUri(uri) {
      return encodeURIComponent(uri)
          .replace(/!/g, "%21")
          .replace(/"/g, "%27")
          .replace(/\(/g, "%28")
          .replace(/\)/g, "%29")
          .replace(/\*/g, "%2A");
  }
  /**
   * Returns a stripped version of the Http Response which only contains body,
   * headers and the status.
   *
   * @param response - The Http Response
   * @returns The stripped version of Http Response.
   */
  function stripResponse(response) {
      const strippedResponse = {};
      strippedResponse.body = response.bodyAsText;
      strippedResponse.headers = response.headers;
      strippedResponse.status = response.status;
      return strippedResponse;
  }
  /**
   * Returns a stripped version of the Http Request that does not contain the
   * Authorization header.
   *
   * @param request - The Http Request object
   * @returns The stripped version of Http Request.
   */
  function stripRequest(request) {
      const strippedRequest = request.clone();
      if (strippedRequest.headers) {
          strippedRequest.headers.remove("authorization");
      }
      return strippedRequest;
  }
  /**
   * Validates the given uuid as a string
   *
   * @param uuid - The uuid as a string that needs to be validated
   * @returns True if the uuid is valid; false otherwise.
   */
  function isValidUuid(uuid) {
      return validUuidRegex.test(uuid);
  }
  /**
   * Generated UUID
   *
   * @returns RFC4122 v4 UUID.
   */
  function generateUuid() {
      return uuid.v4();
  }
  /**
   * Executes an array of promises sequentially. Inspiration of this method is here:
   * https://pouchdb.com/2015/05/18/we-have-a-problem-with-promises.html. An awesome blog on promises!
   *
   * @param promiseFactories - An array of promise factories(A function that return a promise)
   * @param kickstart - Input to the first promise that is used to kickstart the promise chain.
   * If not provided then the promise chain starts with undefined.
   * @returns A chain of resolved or rejected promises
   */
  function executePromisesSequentially(promiseFactories, kickstart) {
      let result = Promise.resolve(kickstart);
      promiseFactories.forEach((promiseFactory) => {
          result = result.then(promiseFactory);
      });
      return result;
  }
  /**
   * Converts a Promise to a callback.
   * @param promise - The Promise to be converted to a callback
   * @returns A function that takes the callback `(cb: Function) => void`
   * @deprecated generated code should instead depend on responseToBody
   */
  // eslint-disable-next-line @typescript-eslint/ban-types
  function promiseToCallback(promise) {
      if (typeof promise.then !== "function") {
          throw new Error("The provided input is not a Promise.");
      }
      // eslint-disable-next-line @typescript-eslint/ban-types
      return (cb) => {
          promise
              .then((data) => {
              // eslint-disable-next-line promise/no-callback-in-promise
              return cb(undefined, data);
          })
              .catch((err) => {
              // eslint-disable-next-line promise/no-callback-in-promise
              cb(err);
          });
      };
  }
  /**
   * Converts a Promise to a service callback.
   * @param promise - The Promise of HttpOperationResponse to be converted to a service callback
   * @returns A function that takes the service callback (cb: ServiceCallback<T>): void
   */
  function promiseToServiceCallback(promise) {
      if (typeof promise.then !== "function") {
          throw new Error("The provided input is not a Promise.");
      }
      return (cb) => {
          promise
              .then((data) => {
              return process.nextTick(cb, undefined, data.parsedBody, data.request, data);
          })
              .catch((err) => {
              process.nextTick(cb, err);
          });
      };
  }
  function prepareXMLRootList(obj, elementName, xmlNamespaceKey, xmlNamespace) {
      if (!Array.isArray(obj)) {
          obj = [obj];
      }
      if (!xmlNamespaceKey || !xmlNamespace) {
          return { [elementName]: obj };
      }
      const result = { [elementName]: obj };
      result[XML_ATTRKEY] = { [xmlNamespaceKey]: xmlNamespace };
      return result;
  }
  /**
   * Applies the properties on the prototype of sourceCtors to the prototype of targetCtor
   * @param targetCtor - The target object on which the properties need to be applied.
   * @param sourceCtors - An array of source objects from which the properties need to be taken.
   */
  function applyMixins(targetCtorParam, sourceCtors) {
      const castTargetCtorParam = targetCtorParam;
      sourceCtors.forEach((sourceCtor) => {
          Object.getOwnPropertyNames(sourceCtor.prototype).forEach((name) => {
              castTargetCtorParam.prototype[name] = sourceCtor.prototype[name];
          });
      });
  }
  const validateISODuration = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;
  /**
   * Indicates whether the given string is in ISO 8601 format.
   * @param value - The value to be validated for ISO 8601 duration format.
   * @returns `true` if valid, `false` otherwise.
   */
  function isDuration(value) {
      return validateISODuration.test(value);
  }
  /**
   * Replace all of the instances of searchValue in value with the provided replaceValue.
   * @param value - The value to search and replace in.
   * @param searchValue - The value to search for in the value argument.
   * @param replaceValue - The value to replace searchValue with in the value argument.
   * @returns The value where each instance of searchValue was replaced with replacedValue.
   */
  function replaceAll(value, searchValue, replaceValue) {
      return !value || !searchValue ? value : value.split(searchValue).join(replaceValue || "");
  }
  /**
   * Determines whether the given entity is a basic/primitive type
   * (string, number, boolean, null, undefined).
   * @param value - Any entity
   * @returns true is it is primitive type, false otherwise.
   */
  function isPrimitiveType(value) {
      return (typeof value !== "object" && typeof value !== "function") || value === null;
  }
  function getEnvironmentValue(name) {
      if (process.env[name]) {
          return process.env[name];
      }
      else if (process.env[name.toLowerCase()]) {
          return process.env[name.toLowerCase()];
      }
      return undefined;
  }
  /**
   * @internal
   * @returns true when input is an object type that is not null, Array, RegExp, or Date.
   */
  function isObject(input) {
      return (typeof input === "object" &&
          input !== null &&
          !Array.isArray(input) &&
          !(input instanceof RegExp) &&
          !(input instanceof Date));
  }
  
  // Copyright (c) Microsoft Corporation.
  // This file contains utility code to serialize and deserialize network operations according to `OperationSpec` objects generated by AutoRest.TypeScript from OpenAPI specifications.
  /**
   * Used to map raw response objects to final shapes.
   * Helps packing and unpacking Dates and other encoded types that are not intrinsic to JSON.
   * Also allows pulling values from headers, as well as inserting default values and constants.
   */
  class Serializer {
      constructor(
      /**
       * The provided model mapper.
       */
      modelMappers = {}, 
      /**
       * Whether the contents are XML or not.
       */
      isXML) {
          this.modelMappers = modelMappers;
          this.isXML = isXML;
      }
      /**
       * Validates constraints, if any. This function will throw if the provided value does not respect those constraints.
       * @param mapper - The definition of data models.
       * @param value - The value.
       * @param objectName - Name of the object. Used in the error messages.
       */
      validateConstraints(mapper, value, objectName) {
          const failValidation = (constraintName, constraintValue) => {
              throw new Error(`"${objectName}" with value "${value}" should satisfy the constraint "${constraintName}": ${constraintValue}.`);
          };
          if (mapper.constraints && value != undefined) {
              const valueAsNumber = value;
              const { ExclusiveMaximum, ExclusiveMinimum, InclusiveMaximum, InclusiveMinimum, MaxItems, MaxLength, MinItems, MinLength, MultipleOf, Pattern, UniqueItems, } = mapper.constraints;
              if (ExclusiveMaximum != undefined && valueAsNumber >= ExclusiveMaximum) {
                  failValidation("ExclusiveMaximum", ExclusiveMaximum);
              }
              if (ExclusiveMinimum != undefined && valueAsNumber <= ExclusiveMinimum) {
                  failValidation("ExclusiveMinimum", ExclusiveMinimum);
              }
              if (InclusiveMaximum != undefined && valueAsNumber > InclusiveMaximum) {
                  failValidation("InclusiveMaximum", InclusiveMaximum);
              }
              if (InclusiveMinimum != undefined && valueAsNumber < InclusiveMinimum) {
                  failValidation("InclusiveMinimum", InclusiveMinimum);
              }
              const valueAsArray = value;
              if (MaxItems != undefined && valueAsArray.length > MaxItems) {
                  failValidation("MaxItems", MaxItems);
              }
              if (MaxLength != undefined && valueAsArray.length > MaxLength) {
                  failValidation("MaxLength", MaxLength);
              }
              if (MinItems != undefined && valueAsArray.length < MinItems) {
                  failValidation("MinItems", MinItems);
              }
              if (MinLength != undefined && valueAsArray.length < MinLength) {
                  failValidation("MinLength", MinLength);
              }
              if (MultipleOf != undefined && valueAsNumber % MultipleOf !== 0) {
                  failValidation("MultipleOf", MultipleOf);
              }
              if (Pattern) {
                  const pattern = typeof Pattern === "string" ? new RegExp(Pattern) : Pattern;
                  if (typeof value !== "string" || value.match(pattern) === null) {
                      failValidation("Pattern", Pattern);
                  }
              }
              if (UniqueItems &&
                  valueAsArray.some((item, i, ar) => ar.indexOf(item) !== i)) {
                  failValidation("UniqueItems", UniqueItems);
              }
          }
      }
      /**
       * Serialize the given object based on its metadata defined in the mapper.
       *
       * @param mapper - The mapper which defines the metadata of the serializable object.
       * @param object - A valid Javascript object to be serialized.
       * @param objectName - Name of the serialized object.
       * @param options - additional options to deserialization.
       * @returns A valid serialized Javascript object.
       */
      serialize(mapper, object, objectName, options = {}) {
          var _a, _b, _c;
          const updatedOptions = {
              rootName: (_a = options.rootName) !== null && _a !== void 0 ? _a : "",
              includeRoot: (_b = options.includeRoot) !== null && _b !== void 0 ? _b : false,
              xmlCharKey: (_c = options.xmlCharKey) !== null && _c !== void 0 ? _c : XML_CHARKEY,
          };
          let payload = {};
          const mapperType = mapper.type.name;
          if (!objectName) {
              objectName = mapper.serializedName;
          }
          if (mapperType.match(/^Sequence$/i) !== null) {
              payload = [];
          }
          if (mapper.isConstant) {
              object = mapper.defaultValue;
          }
          // This table of allowed values should help explain
          // the mapper.required and mapper.nullable properties.
          // X means "neither undefined or null are allowed".
          //           || required
          //           || true      | false
          //  nullable || ==========================
          //      true || null      | undefined/null
          //     false || X         | undefined
          // undefined || X         | undefined/null
          const { required, nullable } = mapper;
          if (required && nullable && object === undefined) {
              throw new Error(`${objectName} cannot be undefined.`);
          }
          if (required && !nullable && object == undefined) {
              throw new Error(`${objectName} cannot be null or undefined.`);
          }
          if (!required && nullable === false && object === null) {
              throw new Error(`${objectName} cannot be null.`);
          }
          if (object == undefined) {
              payload = object;
          }
          else {
              // Validate Constraints if any
              this.validateConstraints(mapper, object, objectName);
              if (mapperType.match(/^any$/i) !== null) {
                  payload = object;
              }
              else if (mapperType.match(/^(Number|String|Boolean|Object|Stream|Uuid)$/i) !== null) {
                  payload = serializeBasicTypes(mapperType, objectName, object);
              }
              else if (mapperType.match(/^Enum$/i) !== null) {
                  const enumMapper = mapper;
                  payload = serializeEnumType(objectName, enumMapper.type.allowedValues, object);
              }
              else if (mapperType.match(/^(Date|DateTime|TimeSpan|DateTimeRfc1123|UnixTime)$/i) !== null) {
                  payload = serializeDateTypes(mapperType, object, objectName);
              }
              else if (mapperType.match(/^ByteArray$/i) !== null) {
                  payload = serializeByteArrayType(objectName, object);
              }
              else if (mapperType.match(/^Base64Url$/i) !== null) {
                  payload = serializeBase64UrlType(objectName, object);
              }
              else if (mapperType.match(/^Sequence$/i) !== null) {
                  payload = serializeSequenceType(this, mapper, object, objectName, Boolean(this.isXML), updatedOptions);
              }
              else if (mapperType.match(/^Dictionary$/i) !== null) {
                  payload = serializeDictionaryType(this, mapper, object, objectName, Boolean(this.isXML), updatedOptions);
              }
              else if (mapperType.match(/^Composite$/i) !== null) {
                  payload = serializeCompositeType(this, mapper, object, objectName, Boolean(this.isXML), updatedOptions);
              }
          }
          return payload;
      }
      /**
       * Deserialize the given object based on its metadata defined in the mapper.
       *
       * @param mapper - The mapper which defines the metadata of the serializable object.
       * @param responseBody - A valid Javascript entity to be deserialized.
       * @param objectName - Name of the deserialized object.
       * @param options - Controls behavior of XML parser and builder.
       * @returns A valid deserialized Javascript object.
       */
      deserialize(mapper, responseBody, objectName, options = {}) {
          var _a, _b, _c;
          const updatedOptions = {
              rootName: (_a = options.rootName) !== null && _a !== void 0 ? _a : "",
              includeRoot: (_b = options.includeRoot) !== null && _b !== void 0 ? _b : false,
              xmlCharKey: (_c = options.xmlCharKey) !== null && _c !== void 0 ? _c : XML_CHARKEY,
          };
          if (responseBody == undefined) {
              if (this.isXML && mapper.type.name === "Sequence" && !mapper.xmlIsWrapped) {
                  // Edge case for empty XML non-wrapped lists. xml2js can't distinguish
                  // between the list being empty versus being missing,
                  // so let's do the more user-friendly thing and return an empty list.
                  responseBody = [];
              }
              // specifically check for undefined as default value can be a falsey value `0, "", false, null`
              if (mapper.defaultValue !== undefined) {
                  responseBody = mapper.defaultValue;
              }
              return responseBody;
          }
          let payload;
          const mapperType = mapper.type.name;
          if (!objectName) {
              objectName = mapper.serializedName;
          }
          if (mapperType.match(/^Composite$/i) !== null) {
              payload = deserializeCompositeType(this, mapper, responseBody, objectName, updatedOptions);
          }
          else {
              if (this.isXML) {
                  const xmlCharKey = updatedOptions.xmlCharKey;
                  const castResponseBody = responseBody;
                  /**
                   * If the mapper specifies this as a non-composite type value but the responseBody contains
                   * both header ("$" i.e., XML_ATTRKEY) and body ("#" i.e., XML_CHARKEY) properties,
                   * then just reduce the responseBody value to the body ("#" i.e., XML_CHARKEY) property.
                   */
                  if (castResponseBody[XML_ATTRKEY] != undefined &&
                      castResponseBody[xmlCharKey] != undefined) {
                      responseBody = castResponseBody[xmlCharKey];
                  }
              }
              if (mapperType.match(/^Number$/i) !== null) {
                  payload = parseFloat(responseBody);
                  if (isNaN(payload)) {
                      payload = responseBody;
                  }
              }
              else if (mapperType.match(/^Boolean$/i) !== null) {
                  if (responseBody === "true") {
                      payload = true;
                  }
                  else if (responseBody === "false") {
                      payload = false;
                  }
                  else {
                      payload = responseBody;
                  }
              }
              else if (mapperType.match(/^(String|Enum|Object|Stream|Uuid|TimeSpan|any)$/i) !== null) {
                  payload = responseBody;
              }
              else if (mapperType.match(/^(Date|DateTime|DateTimeRfc1123)$/i) !== null) {
                  payload = new Date(responseBody);
              }
              else if (mapperType.match(/^UnixTime$/i) !== null) {
                  payload = unixTimeToDate(responseBody);
              }
              else if (mapperType.match(/^ByteArray$/i) !== null) {
                  payload = decodeString(responseBody);
              }
              else if (mapperType.match(/^Base64Url$/i) !== null) {
                  payload = base64UrlToByteArray(responseBody);
              }
              else if (mapperType.match(/^Sequence$/i) !== null) {
                  payload = deserializeSequenceType(this, mapper, responseBody, objectName, updatedOptions);
              }
              else if (mapperType.match(/^Dictionary$/i) !== null) {
                  payload = deserializeDictionaryType(this, mapper, responseBody, objectName, updatedOptions);
              }
          }
          if (mapper.isConstant) {
              payload = mapper.defaultValue;
          }
          return payload;
      }
  }
  function trimEnd(str, ch) {
      let len = str.length;
      while (len - 1 >= 0 && str[len - 1] === ch) {
          --len;
      }
      return str.substr(0, len);
  }
  function bufferToBase64Url(buffer) {
      if (!buffer) {
          return undefined;
      }
      if (!(buffer instanceof Uint8Array)) {
          throw new Error(`Please provide an input of type Uint8Array for converting to Base64Url.`);
      }
      // Uint8Array to Base64.
      const str = encodeByteArray(buffer);
      // Base64 to Base64Url.
      return trimEnd(str, "=").replace(/\+/g, "-").replace(/\//g, "_");
  }
  function base64UrlToByteArray(str) {
      if (!str) {
          return undefined;
      }
      if (str && typeof str.valueOf() !== "string") {
          throw new Error("Please provide an input of type string for converting to Uint8Array");
      }
      // Base64Url to Base64.
      str = str.replace(/-/g, "+").replace(/_/g, "/");
      // Base64 to Uint8Array.
      return decodeString(str);
  }
  function splitSerializeName(prop) {
      const classes = [];
      let partialclass = "";
      if (prop) {
          const subwords = prop.split(".");
          for (const item of subwords) {
              if (item.charAt(item.length - 1) === "\\") {
                  partialclass += item.substr(0, item.length - 1) + ".";
              }
              else {
                  partialclass += item;
                  classes.push(partialclass);
                  partialclass = "";
              }
          }
      }
      return classes;
  }
  function dateToUnixTime(d) {
      if (!d) {
          return undefined;
      }
      if (typeof d.valueOf() === "string") {
          d = new Date(d);
      }
      return Math.floor(d.getTime() / 1000);
  }
  function unixTimeToDate(n) {
      if (!n) {
          return undefined;
      }
      return new Date(n * 1000);
  }
  function serializeBasicTypes(typeName, objectName, value) {
      if (value !== null && value !== undefined) {
          if (typeName.match(/^Number$/i) !== null) {
              if (typeof value !== "number") {
                  throw new Error(`${objectName} with value ${value} must be of type number.`);
              }
          }
          else if (typeName.match(/^String$/i) !== null) {
              if (typeof value.valueOf() !== "string") {
                  throw new Error(`${objectName} with value "${value}" must be of type string.`);
              }
          }
          else if (typeName.match(/^Uuid$/i) !== null) {
              if (!(typeof value.valueOf() === "string" && isValidUuid(value))) {
                  throw new Error(`${objectName} with value "${value}" must be of type string and a valid uuid.`);
              }
          }
          else if (typeName.match(/^Boolean$/i) !== null) {
              if (typeof value !== "boolean") {
                  throw new Error(`${objectName} with value ${value} must be of type boolean.`);
              }
          }
          else if (typeName.match(/^Stream$/i) !== null) {
              const objectType = typeof value;
              if (objectType !== "string" &&
                  objectType !== "function" &&
                  !(value instanceof ArrayBuffer) &&
                  !ArrayBuffer.isView(value) &&
                  !((typeof Blob === "function" || typeof Blob === "object") && value instanceof Blob)) {
                  throw new Error(`${objectName} must be a string, Blob, ArrayBuffer, ArrayBufferView, or a function returning NodeJS.ReadableStream.`);
              }
          }
      }
      return value;
  }
  function serializeEnumType(objectName, allowedValues, value) {
      if (!allowedValues) {
          throw new Error(`Please provide a set of allowedValues to validate ${objectName} as an Enum Type.`);
      }
      const isPresent = allowedValues.some((item) => {
          if (typeof item.valueOf() === "string") {
              return item.toLowerCase() === value.toLowerCase();
          }
          return item === value;
      });
      if (!isPresent) {
          throw new Error(`${value} is not a valid value for ${objectName}. The valid values are: ${JSON.stringify(allowedValues)}.`);
      }
      return value;
  }
  function serializeByteArrayType(objectName, value) {
      let returnValue = "";
      if (value != undefined) {
          if (!(value instanceof Uint8Array)) {
              throw new Error(`${objectName} must be of type Uint8Array.`);
          }
          returnValue = encodeByteArray(value);
      }
      return returnValue;
  }
  function serializeBase64UrlType(objectName, value) {
      let returnValue = "";
      if (value != undefined) {
          if (!(value instanceof Uint8Array)) {
              throw new Error(`${objectName} must be of type Uint8Array.`);
          }
          returnValue = bufferToBase64Url(value) || "";
      }
      return returnValue;
  }
  function serializeDateTypes(typeName, value, objectName) {
      if (value != undefined) {
          if (typeName.match(/^Date$/i) !== null) {
              if (!(value instanceof Date ||
                  (typeof value.valueOf() === "string" && !isNaN(Date.parse(value))))) {
                  throw new Error(`${objectName} must be an instanceof Date or a string in ISO8601 format.`);
              }
              value =
                  value instanceof Date
                      ? value.toISOString().substring(0, 10)
                      : new Date(value).toISOString().substring(0, 10);
          }
          else if (typeName.match(/^DateTime$/i) !== null) {
              if (!(value instanceof Date ||
                  (typeof value.valueOf() === "string" && !isNaN(Date.parse(value))))) {
                  throw new Error(`${objectName} must be an instanceof Date or a string in ISO8601 format.`);
              }
              value = value instanceof Date ? value.toISOString() : new Date(value).toISOString();
          }
          else if (typeName.match(/^DateTimeRfc1123$/i) !== null) {
              if (!(value instanceof Date ||
                  (typeof value.valueOf() === "string" && !isNaN(Date.parse(value))))) {
                  throw new Error(`${objectName} must be an instanceof Date or a string in RFC-1123 format.`);
              }
              value = value instanceof Date ? value.toUTCString() : new Date(value).toUTCString();
          }
          else if (typeName.match(/^UnixTime$/i) !== null) {
              if (!(value instanceof Date ||
                  (typeof value.valueOf() === "string" && !isNaN(Date.parse(value))))) {
                  throw new Error(`${objectName} must be an instanceof Date or a string in RFC-1123/ISO8601 format ` +
                      `for it to be serialized in UnixTime/Epoch format.`);
              }
              value = dateToUnixTime(value);
          }
          else if (typeName.match(/^TimeSpan$/i) !== null) {
              if (!isDuration(value)) {
                  throw new Error(`${objectName} must be a string in ISO 8601 format. Instead was "${value}".`);
              }
          }
      }
      return value;
  }
  function serializeSequenceType(serializer, mapper, object, objectName, isXml, options) {
      if (!Array.isArray(object)) {
          throw new Error(`${objectName} must be of type Array.`);
      }
      const elementType = mapper.type.element;
      if (!elementType || typeof elementType !== "object") {
          throw new Error(`element" metadata for an Array must be defined in the ` +
              `mapper and it must of type "object" in ${objectName}.`);
      }
      const tempArray = [];
      for (let i = 0; i < object.length; i++) {
          const serializedValue = serializer.serialize(elementType, object[i], objectName, options);
          if (isXml && elementType.xmlNamespace) {
              const xmlnsKey = elementType.xmlNamespacePrefix
                  ? `xmlns:${elementType.xmlNamespacePrefix}`
                  : "xmlns";
              if (elementType.type.name === "Composite") {
                  tempArray[i] = Object.assign({}, serializedValue);
                  tempArray[i][XML_ATTRKEY] = { [xmlnsKey]: elementType.xmlNamespace };
              }
              else {
                  tempArray[i] = {};
                  tempArray[i][options.xmlCharKey] = serializedValue;
                  tempArray[i][XML_ATTRKEY] = { [xmlnsKey]: elementType.xmlNamespace };
              }
          }
          else {
              tempArray[i] = serializedValue;
          }
      }
      return tempArray;
  }
  function serializeDictionaryType(serializer, mapper, object, objectName, isXml, options) {
      if (typeof object !== "object") {
          throw new Error(`${objectName} must be of type object.`);
      }
      const valueType = mapper.type.value;
      if (!valueType || typeof valueType !== "object") {
          throw new Error(`"value" metadata for a Dictionary must be defined in the ` +
              `mapper and it must of type "object" in ${objectName}.`);
      }
      const tempDictionary = {};
      for (const key of Object.keys(object)) {
          const serializedValue = serializer.serialize(valueType, object[key], objectName, options);
          // If the element needs an XML namespace we need to add it within the $ property
          tempDictionary[key] = getXmlObjectValue(valueType, serializedValue, isXml, options);
      }
      // Add the namespace to the root element if needed
      if (isXml && mapper.xmlNamespace) {
          const xmlnsKey = mapper.xmlNamespacePrefix ? `xmlns:${mapper.xmlNamespacePrefix}` : "xmlns";
          const result = tempDictionary;
          result[XML_ATTRKEY] = { [xmlnsKey]: mapper.xmlNamespace };
          return result;
      }
      return tempDictionary;
  }
  /**
   * Resolves the additionalProperties property from a referenced mapper.
   * @param serializer - The serializer containing the entire set of mappers.
   * @param mapper - The composite mapper to resolve.
   * @param objectName - Name of the object being serialized.
   */
  function resolveAdditionalProperties(serializer, mapper, objectName) {
      const additionalProperties = mapper.type.additionalProperties;
      if (!additionalProperties && mapper.type.className) {
          const modelMapper = resolveReferencedMapper(serializer, mapper, objectName);
          return modelMapper === null || modelMapper === void 0 ? void 0 : modelMapper.type.additionalProperties;
      }
      return additionalProperties;
  }
  /**
   * Finds the mapper referenced by `className`.
   * @param serializer - The serializer containing the entire set of mappers
   * @param mapper - The composite mapper to resolve
   * @param objectName - Name of the object being serialized
   */
  function resolveReferencedMapper(serializer, mapper, objectName) {
      const className = mapper.type.className;
      if (!className) {
          throw new Error(`Class name for model "${objectName}" is not provided in the mapper "${JSON.stringify(mapper, undefined, 2)}".`);
      }
      return serializer.modelMappers[className];
  }
  /**
   * Resolves a composite mapper's modelProperties.
   * @param serializer - The serializer containing the entire set of mappers
   * @param mapper - The composite mapper to resolve
   */
  function resolveModelProperties(serializer, mapper, objectName) {
      let modelProps = mapper.type.modelProperties;
      if (!modelProps) {
          const modelMapper = resolveReferencedMapper(serializer, mapper, objectName);
          if (!modelMapper) {
              throw new Error(`mapper() cannot be null or undefined for model "${mapper.type.className}".`);
          }
          modelProps = modelMapper === null || modelMapper === void 0 ? void 0 : modelMapper.type.modelProperties;
          if (!modelProps) {
              throw new Error(`modelProperties cannot be null or undefined in the ` +
                  `mapper "${JSON.stringify(modelMapper)}" of type "${mapper.type.className}" for object "${objectName}".`);
          }
      }
      return modelProps;
  }
  function serializeCompositeType(serializer, mapper, object, objectName, isXml, options) {
      if (getPolymorphicDiscriminatorRecursively(serializer, mapper)) {
          mapper = getPolymorphicMapper(serializer, mapper, object, "clientName");
      }
      if (object != undefined) {
          const payload = {};
          const modelProps = resolveModelProperties(serializer, mapper, objectName);
          for (const key of Object.keys(modelProps)) {
              const propertyMapper = modelProps[key];
              if (propertyMapper.readOnly) {
                  continue;
              }
              let propName;
              let parentObject = payload;
              if (serializer.isXML) {
                  if (propertyMapper.xmlIsWrapped) {
                      propName = propertyMapper.xmlName;
                  }
                  else {
                      propName = propertyMapper.xmlElementName || propertyMapper.xmlName;
                  }
              }
              else {
                  const paths = splitSerializeName(propertyMapper.serializedName);
                  propName = paths.pop();
                  for (const pathName of paths) {
                      const childObject = parentObject[pathName];
                      if (childObject == undefined &&
                          (object[key] != undefined || propertyMapper.defaultValue !== undefined)) {
                          parentObject[pathName] = {};
                      }
                      parentObject = parentObject[pathName];
                  }
              }
              if (parentObject != undefined) {
                  if (isXml && mapper.xmlNamespace) {
                      const xmlnsKey = mapper.xmlNamespacePrefix
                          ? `xmlns:${mapper.xmlNamespacePrefix}`
                          : "xmlns";
                      parentObject[XML_ATTRKEY] = Object.assign(Object.assign({}, parentObject[XML_ATTRKEY]), { [xmlnsKey]: mapper.xmlNamespace });
                  }
                  const propertyObjectName = propertyMapper.serializedName !== ""
                      ? objectName + "." + propertyMapper.serializedName
                      : objectName;
                  let toSerialize = object[key];
                  const polymorphicDiscriminator = getPolymorphicDiscriminatorRecursively(serializer, mapper);
                  if (polymorphicDiscriminator &&
                      polymorphicDiscriminator.clientName === key &&
                      toSerialize == undefined) {
                      toSerialize = mapper.serializedName;
                  }
                  const serializedValue = serializer.serialize(propertyMapper, toSerialize, propertyObjectName, options);
                  if (serializedValue !== undefined && propName != undefined) {
                      const value = getXmlObjectValue(propertyMapper, serializedValue, isXml, options);
                      if (isXml && propertyMapper.xmlIsAttribute) {
                          // XML_ATTRKEY, i.e., $ is the key attributes are kept under in xml2js.
                          // This keeps things simple while preventing name collision
                          // with names in user documents.
                          parentObject[XML_ATTRKEY] = parentObject[XML_ATTRKEY] || {};
                          parentObject[XML_ATTRKEY][propName] = serializedValue;
                      }
                      else if (isXml && propertyMapper.xmlIsWrapped) {
                          parentObject[propName] = { [propertyMapper.xmlElementName]: value };
                      }
                      else {
                          parentObject[propName] = value;
                      }
                  }
              }
          }
          const additionalPropertiesMapper = resolveAdditionalProperties(serializer, mapper, objectName);
          if (additionalPropertiesMapper) {
              const propNames = Object.keys(modelProps);
              for (const clientPropName in object) {
                  const isAdditionalProperty = propNames.every((pn) => pn !== clientPropName);
                  if (isAdditionalProperty) {
                      payload[clientPropName] = serializer.serialize(additionalPropertiesMapper, object[clientPropName], objectName + '["' + clientPropName + '"]', options);
                  }
              }
          }
          return payload;
      }
      return object;
  }
  function getXmlObjectValue(propertyMapper, serializedValue, isXml, options) {
      if (!isXml || !propertyMapper.xmlNamespace) {
          return serializedValue;
      }
      const xmlnsKey = propertyMapper.xmlNamespacePrefix
          ? `xmlns:${propertyMapper.xmlNamespacePrefix}`
          : "xmlns";
      const xmlNamespace = { [xmlnsKey]: propertyMapper.xmlNamespace };
      if (["Composite"].includes(propertyMapper.type.name)) {
          if (serializedValue[XML_ATTRKEY]) {
              return serializedValue;
          }
          else {
              const result = Object.assign({}, serializedValue);
              result[XML_ATTRKEY] = xmlNamespace;
              return result;
          }
      }
      const result = {};
      result[options.xmlCharKey] = serializedValue;
      result[XML_ATTRKEY] = xmlNamespace;
      return result;
  }
  function isSpecialXmlProperty(propertyName, options) {
      return [XML_ATTRKEY, options.xmlCharKey].includes(propertyName);
  }
  function deserializeCompositeType(serializer, mapper, responseBody, objectName, options) {
      var _a;
      if (getPolymorphicDiscriminatorRecursively(serializer, mapper)) {
          mapper = getPolymorphicMapper(serializer, mapper, responseBody, "serializedName");
      }
      const modelProps = resolveModelProperties(serializer, mapper, objectName);
      let instance = {};
      const handledPropertyNames = [];
      for (const key of Object.keys(modelProps)) {
          const propertyMapper = modelProps[key];
          const paths = splitSerializeName(modelProps[key].serializedName);
          handledPropertyNames.push(paths[0]);
          const { serializedName, xmlName, xmlElementName } = propertyMapper;
          let propertyObjectName = objectName;
          if (serializedName !== "" && serializedName !== undefined) {
              propertyObjectName = objectName + "." + serializedName;
          }
          const headerCollectionPrefix = propertyMapper.headerCollectionPrefix;
          if (headerCollectionPrefix) {
              const dictionary = {};
              for (const headerKey of Object.keys(responseBody)) {
                  if (headerKey.startsWith(headerCollectionPrefix)) {
                      dictionary[headerKey.substring(headerCollectionPrefix.length)] = serializer.deserialize(propertyMapper.type.value, responseBody[headerKey], propertyObjectName, options);
                  }
                  handledPropertyNames.push(headerKey);
              }
              instance[key] = dictionary;
          }
          else if (serializer.isXML) {
              if (propertyMapper.xmlIsAttribute && responseBody[XML_ATTRKEY]) {
                  instance[key] = serializer.deserialize(propertyMapper, responseBody[XML_ATTRKEY][xmlName], propertyObjectName, options);
              }
              else {
                  const propertyName = xmlElementName || xmlName || serializedName;
                  if (propertyMapper.xmlIsWrapped) {
                      /* a list of <xmlElementName> wrapped by <xmlName>
                        For the xml example below
                          <Cors>
                            <CorsRule>...</CorsRule>
                            <CorsRule>...</CorsRule>
                          </Cors>
                        the responseBody has
                          {
                            Cors: {
                              CorsRule: [{...}, {...}]
                            }
                          }
                        xmlName is "Cors" and xmlElementName is"CorsRule".
                      */
                      const wrapped = responseBody[xmlName];
                      const elementList = (_a = wrapped === null || wrapped === void 0 ? void 0 : wrapped[xmlElementName]) !== null && _a !== void 0 ? _a : [];
                      instance[key] = serializer.deserialize(propertyMapper, elementList, propertyObjectName, options);
                  }
                  else {
                      const property = responseBody[propertyName];
                      instance[key] = serializer.deserialize(propertyMapper, property, propertyObjectName, options);
                  }
              }
          }
          else {
              // deserialize the property if it is present in the provided responseBody instance
              let propertyInstance;
              let res = responseBody;
              // traversing the object step by step.
              for (const item of paths) {
                  if (!res)
                      break;
                  res = res[item];
              }
              propertyInstance = res;
              const polymorphicDiscriminator = mapper.type.polymorphicDiscriminator;
              // checking that the model property name (key)(ex: "fishtype") and the
              // clientName of the polymorphicDiscriminator {metadata} (ex: "fishtype")
              // instead of the serializedName of the polymorphicDiscriminator (ex: "fish.type")
              // is a better approach. The generator is not consistent with escaping '\.' in the
              // serializedName of the property (ex: "fish\.type") that is marked as polymorphic discriminator
              // and the serializedName of the metadata polymorphicDiscriminator (ex: "fish.type"). However,
              // the clientName transformation of the polymorphicDiscriminator (ex: "fishtype") and
              // the transformation of model property name (ex: "fishtype") is done consistently.
              // Hence, it is a safer bet to rely on the clientName of the polymorphicDiscriminator.
              if (polymorphicDiscriminator &&
                  key === polymorphicDiscriminator.clientName &&
                  propertyInstance == undefined) {
                  propertyInstance = mapper.serializedName;
              }
              let serializedValue;
              // paging
              if (Array.isArray(responseBody[key]) && modelProps[key].serializedName === "") {
                  propertyInstance = responseBody[key];
                  const arrayInstance = serializer.deserialize(propertyMapper, propertyInstance, propertyObjectName, options);
                  // Copy over any properties that have already been added into the instance, where they do
                  // not exist on the newly de-serialized array
                  for (const [k, v] of Object.entries(instance)) {
                      if (!Object.prototype.hasOwnProperty.call(arrayInstance, k)) {
                          arrayInstance[k] = v;
                      }
                  }
                  instance = arrayInstance;
              }
              else if (propertyInstance !== undefined || propertyMapper.defaultValue !== undefined) {
                  serializedValue = serializer.deserialize(propertyMapper, propertyInstance, propertyObjectName, options);
                  instance[key] = serializedValue;
              }
          }
      }
      const additionalPropertiesMapper = mapper.type.additionalProperties;
      if (additionalPropertiesMapper) {
          const isAdditionalProperty = (responsePropName) => {
              for (const clientPropName in modelProps) {
                  const paths = splitSerializeName(modelProps[clientPropName].serializedName);
                  if (paths[0] === responsePropName) {
                      return false;
                  }
              }
              return true;
          };
          for (const responsePropName in responseBody) {
              if (isAdditionalProperty(responsePropName)) {
                  instance[responsePropName] = serializer.deserialize(additionalPropertiesMapper, responseBody[responsePropName], objectName + '["' + responsePropName + '"]', options);
              }
          }
      }
      else if (responseBody) {
          for (const key of Object.keys(responseBody)) {
              if (instance[key] === undefined &&
                  !handledPropertyNames.includes(key) &&
                  !isSpecialXmlProperty(key, options)) {
                  instance[key] = responseBody[key];
              }
          }
      }
      return instance;
  }
  function deserializeDictionaryType(serializer, mapper, responseBody, objectName, options) {
      const value = mapper.type.value;
      if (!value || typeof value !== "object") {
          throw new Error(`"value" metadata for a Dictionary must be defined in the ` +
              `mapper and it must of type "object" in ${objectName}`);
      }
      if (responseBody) {
          const tempDictionary = {};
          for (const key of Object.keys(responseBody)) {
              tempDictionary[key] = serializer.deserialize(value, responseBody[key], objectName, options);
          }
          return tempDictionary;
      }
      return responseBody;
  }
  function deserializeSequenceType(serializer, mapper, responseBody, objectName, options) {
      const element = mapper.type.element;
      if (!element || typeof element !== "object") {
          throw new Error(`element" metadata for an Array must be defined in the ` +
              `mapper and it must of type "object" in ${objectName}`);
      }
      if (responseBody) {
          if (!Array.isArray(responseBody)) {
              // xml2js will interpret a single element array as just the element, so force it to be an array
              responseBody = [responseBody];
          }
          const tempArray = [];
          for (let i = 0; i < responseBody.length; i++) {
              tempArray[i] = serializer.deserialize(element, responseBody[i], `${objectName}[${i}]`, options);
          }
          return tempArray;
      }
      return responseBody;
  }
  function getPolymorphicMapper(serializer, mapper, object, polymorphicPropertyName) {
      const polymorphicDiscriminator = getPolymorphicDiscriminatorRecursively(serializer, mapper);
      if (polymorphicDiscriminator) {
          const discriminatorName = polymorphicDiscriminator[polymorphicPropertyName];
          if (discriminatorName != undefined) {
              const discriminatorValue = object[discriminatorName];
              if (discriminatorValue != undefined) {
                  const typeName = mapper.type.uberParent || mapper.type.className;
                  const indexDiscriminator = discriminatorValue === typeName
                      ? discriminatorValue
                      : typeName + "." + discriminatorValue;
                  const polymorphicMapper = serializer.modelMappers.discriminators[indexDiscriminator];
                  if (polymorphicMapper) {
                      mapper = polymorphicMapper;
                  }
              }
          }
      }
      return mapper;
  }
  function getPolymorphicDiscriminatorRecursively(serializer, mapper) {
      return (mapper.type.polymorphicDiscriminator ||
          getPolymorphicDiscriminatorSafely(serializer, mapper.type.uberParent) ||
          getPolymorphicDiscriminatorSafely(serializer, mapper.type.className));
  }
  function getPolymorphicDiscriminatorSafely(serializer, typeName) {
      return (typeName &&
          serializer.modelMappers[typeName] &&
          serializer.modelMappers[typeName].type.polymorphicDiscriminator);
  }
  /**
   * Utility function that serializes an object that might contain binary information into a plain object, array or a string.
   */
  function serializeObject(toSerialize) {
      const castToSerialize = toSerialize;
      if (toSerialize == undefined)
          return undefined;
      if (toSerialize instanceof Uint8Array) {
          toSerialize = encodeByteArray(toSerialize);
          return toSerialize;
      }
      else if (toSerialize instanceof Date) {
          return toSerialize.toISOString();
      }
      else if (Array.isArray(toSerialize)) {
          const array = [];
          for (let i = 0; i < toSerialize.length; i++) {
              array.push(serializeObject(toSerialize[i]));
          }
          return array;
      }
      else if (typeof toSerialize === "object") {
          const dictionary = {};
          for (const property in toSerialize) {
              dictionary[property] = serializeObject(castToSerialize[property]);
          }
          return dictionary;
      }
      return toSerialize;
  }
  /**
   * Utility function to create a K:V from a list of strings
   */
  function strEnum(o) {
      const result = {};
      for (const key of o) {
          result[key] = key;
      }
      return result;
  }
  /**
   * String enum containing the string types of property mappers.
   */
  // eslint-disable-next-line @typescript-eslint/no-redeclare
  const MapperType = strEnum([
      "Base64Url",
      "Boolean",
      "ByteArray",
      "Composite",
      "Date",
      "DateTime",
      "DateTimeRfc1123",
      "Dictionary",
      "Enum",
      "Number",
      "Object",
      "Sequence",
      "String",
      "Stream",
      "TimeSpan",
      "UnixTime",
  ]);
  
  // Copyright (c) Microsoft Corporation.
  function isWebResourceLike(object) {
      if (object && typeof object === "object") {
          const castObject = object;
          if (typeof castObject.url === "string" &&
              typeof castObject.method === "string" &&
              typeof castObject.headers === "object" &&
              isHttpHeadersLike(castObject.headers) &&
              typeof castObject.validateRequestProperties === "function" &&
              typeof castObject.prepare === "function" &&
              typeof castObject.clone === "function") {
              return true;
          }
      }
      return false;
  }
  /**
   * Creates a new WebResource object.
   *
   * This class provides an abstraction over a REST call by being library / implementation agnostic and wrapping the necessary
   * properties to initiate a request.
   */
  class WebResource {
      constructor(url, method, body, query, headers, streamResponseBody, withCredentials, abortSignal, timeout, onUploadProgress, onDownloadProgress, proxySettings, keepAlive, decompressResponse, streamResponseStatusCodes) {
          this.streamResponseBody = streamResponseBody;
          this.streamResponseStatusCodes = streamResponseStatusCodes;
          this.url = url || "";
          this.method = method || "GET";
          this.headers = isHttpHeadersLike(headers) ? headers : new HttpHeaders(headers);
          this.body = body;
          this.query = query;
          this.formData = undefined;
          this.withCredentials = withCredentials || false;
          this.abortSignal = abortSignal;
          this.timeout = timeout || 0;
          this.onUploadProgress = onUploadProgress;
          this.onDownloadProgress = onDownloadProgress;
          this.proxySettings = proxySettings;
          this.keepAlive = keepAlive;
          this.decompressResponse = decompressResponse;
          this.requestId = this.headers.get("x-ms-client-request-id") || generateUuid();
      }
      /**
       * Validates that the required properties such as method, url, headers["Content-Type"],
       * headers["accept-language"] are defined. It will throw an error if one of the above
       * mentioned properties are not defined.
       */
      validateRequestProperties() {
          if (!this.method) {
              throw new Error("WebResource.method is required.");
          }
          if (!this.url) {
              throw new Error("WebResource.url is required.");
          }
      }
      /**
       * Prepares the request.
       * @param options - Options to provide for preparing the request.
       * @returns Returns the prepared WebResource (HTTP Request) object that needs to be given to the request pipeline.
       */
      prepare(options) {
          if (!options) {
              throw new Error("options object is required");
          }
          if (options.method === undefined ||
              options.method === null ||
              typeof options.method.valueOf() !== "string") {
              throw new Error("options.method must be a string.");
          }
          if (options.url && options.pathTemplate) {
              throw new Error("options.url and options.pathTemplate are mutually exclusive. Please provide exactly one of them.");
          }
          if ((options.pathTemplate === undefined ||
              options.pathTemplate === null ||
              typeof options.pathTemplate.valueOf() !== "string") &&
              (options.url === undefined ||
                  options.url === null ||
                  typeof options.url.valueOf() !== "string")) {
              throw new Error("Please provide exactly one of options.pathTemplate or options.url.");
          }
          // set the url if it is provided.
          if (options.url) {
              if (typeof options.url !== "string") {
                  throw new Error('options.url must be of type "string".');
              }
              this.url = options.url;
          }
          // set the method
          if (options.method) {
              const validMethods = ["GET", "PUT", "HEAD", "DELETE", "OPTIONS", "POST", "PATCH", "TRACE"];
              if (validMethods.indexOf(options.method.toUpperCase()) === -1) {
                  throw new Error('The provided method "' +
                      options.method +
                      '" is invalid. Supported HTTP methods are: ' +
                      JSON.stringify(validMethods));
              }
          }
          this.method = options.method.toUpperCase();
          // construct the url if path template is provided
          if (options.pathTemplate) {
              const { pathTemplate, pathParameters } = options;
              if (typeof pathTemplate !== "string") {
                  throw new Error('options.pathTemplate must be of type "string".');
              }
              if (!options.baseUrl) {
                  options.baseUrl = "https://management.azure.com";
              }
              const baseUrl = options.baseUrl;
              let url = baseUrl +
                  (baseUrl.endsWith("/") ? "" : "/") +
                  (pathTemplate.startsWith("/") ? pathTemplate.slice(1) : pathTemplate);
              const segments = url.match(/({[\w-]*\s*[\w-]*})/gi);
              if (segments && segments.length) {
                  if (!pathParameters) {
                      throw new Error(`pathTemplate: ${pathTemplate} has been provided. Hence, options.pathParameters must also be provided.`);
                  }
                  segments.forEach(function (item) {
                      const pathParamName = item.slice(1, -1);
                      const pathParam = pathParameters[pathParamName];
                      if (pathParam === null ||
                          pathParam === undefined ||
                          !(typeof pathParam === "string" || typeof pathParam === "object")) {
                          const stringifiedPathParameters = JSON.stringify(pathParameters, undefined, 2);
                          throw new Error(`pathTemplate: ${pathTemplate} contains the path parameter ${pathParamName}` +
                              ` however, it is not present in parameters: ${stringifiedPathParameters}.` +
                              `The value of the path parameter can either be a "string" of the form { ${pathParamName}: "some sample value" } or ` +
                              `it can be an "object" of the form { "${pathParamName}": { value: "some sample value", skipUrlEncoding: true } }.`);
                      }
                      if (typeof pathParam.valueOf() === "string") {
                          url = url.replace(item, encodeURIComponent(pathParam));
                      }
                      if (typeof pathParam.valueOf() === "object") {
                          if (!pathParam.value) {
                              throw new Error(`options.pathParameters[${pathParamName}] is of type "object" but it does not contain a "value" property.`);
                          }
                          if (pathParam.skipUrlEncoding) {
                              url = url.replace(item, pathParam.value);
                          }
                          else {
                              url = url.replace(item, encodeURIComponent(pathParam.value));
                          }
                      }
                  });
              }
              this.url = url;
          }
          // append query parameters to the url if they are provided. They can be provided with pathTemplate or url option.
          if (options.queryParameters) {
              const queryParameters = options.queryParameters;
              if (typeof queryParameters !== "object") {
                  throw new Error(`options.queryParameters must be of type object. It should be a JSON object ` +
                      `of "query-parameter-name" as the key and the "query-parameter-value" as the value. ` +
                      `The "query-parameter-value" may be fo type "string" or an "object" of the form { value: "query-parameter-value", skipUrlEncoding: true }.`);
              }
              // append question mark if it is not present in the url
              if (this.url && this.url.indexOf("?") === -1) {
                  this.url += "?";
              }
              // construct queryString
              const queryParams = [];
              // We need to populate this.query as a dictionary if the request is being used for Sway's validateRequest().
              this.query = {};
              for (const queryParamName in queryParameters) {
                  const queryParam = queryParameters[queryParamName];
                  if (queryParam) {
                      if (typeof queryParam === "string") {
                          queryParams.push(queryParamName + "=" + encodeURIComponent(queryParam));
                          this.query[queryParamName] = encodeURIComponent(queryParam);
                      }
                      else if (typeof queryParam === "object") {
                          if (!queryParam.value) {
                              throw new Error(`options.queryParameters[${queryParamName}] is of type "object" but it does not contain a "value" property.`);
                          }
                          if (queryParam.skipUrlEncoding) {
                              queryParams.push(queryParamName + "=" + queryParam.value);
                              this.query[queryParamName] = queryParam.value;
                          }
                          else {
                              queryParams.push(queryParamName + "=" + encodeURIComponent(queryParam.value));
                              this.query[queryParamName] = encodeURIComponent(queryParam.value);
                          }
                      }
                  }
              } // end-of-for
              // append the queryString
              this.url += queryParams.join("&");
          }
          // add headers to the request if they are provided
          if (options.headers) {
              const headers = options.headers;
              for (const headerName of Object.keys(options.headers)) {
                  this.headers.set(headerName, headers[headerName]);
              }
          }
          // ensure accept-language is set correctly
          if (!this.headers.get("accept-language")) {
              this.headers.set("accept-language", "en-US");
          }
          // ensure the request-id is set correctly
          if (!this.headers.get("x-ms-client-request-id") && !options.disableClientRequestId) {
              this.headers.set("x-ms-client-request-id", this.requestId);
          }
          // default
          if (!this.headers.get("Content-Type")) {
              this.headers.set("Content-Type", "application/json; charset=utf-8");
          }
          // set the request body. request.js automatically sets the Content-Length request header, so we need not set it explicitly
          this.body = options.body;
          if (options.body !== undefined && options.body !== null) {
              // body as a stream special case. set the body as-is and check for some special request headers specific to sending a stream.
              if (options.bodyIsStream) {
                  if (!this.headers.get("Transfer-Encoding")) {
                      this.headers.set("Transfer-Encoding", "chunked");
                  }
                  if (this.headers.get("Content-Type") !== "application/octet-stream") {
                      this.headers.set("Content-Type", "application/octet-stream");
                  }
              }
              else {
                  if (options.serializationMapper) {
                      this.body = new Serializer(options.mappers).serialize(options.serializationMapper, options.body, "requestBody");
                  }
                  if (!options.disableJsonStringifyOnBody) {
                      this.body = JSON.stringify(options.body);
                  }
              }
          }
          if (options.spanOptions) {
              this.spanOptions = options.spanOptions;
          }
          if (options.tracingContext) {
              this.tracingContext = options.tracingContext;
          }
          this.abortSignal = options.abortSignal;
          this.onDownloadProgress = options.onDownloadProgress;
          this.onUploadProgress = options.onUploadProgress;
          return this;
      }
      /**
       * Clone this WebResource HTTP request object.
       * @returns The clone of this WebResource HTTP request object.
       */
      clone() {
          const result = new WebResource(this.url, this.method, this.body, this.query, this.headers && this.headers.clone(), this.streamResponseBody, this.withCredentials, this.abortSignal, this.timeout, this.onUploadProgress, this.onDownloadProgress, this.proxySettings, this.keepAlive, this.decompressResponse, this.streamResponseStatusCodes);
          if (this.formData) {
              result.formData = this.formData;
          }
          if (this.operationSpec) {
              result.operationSpec = this.operationSpec;
          }
          if (this.shouldDeserialize) {
              result.shouldDeserialize = this.shouldDeserialize;
          }
          if (this.operationResponseGetter) {
              result.operationResponseGetter = this.operationResponseGetter;
          }
          return result;
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * A class that handles the query portion of a URLBuilder.
   */
  class URLQuery {
      constructor() {
          this._rawQuery = {};
      }
      /**
       * Get whether or not there any query parameters in this URLQuery.
       */
      any() {
          return Object.keys(this._rawQuery).length > 0;
      }
      /**
       * Get the keys of the query string.
       */
      keys() {
          return Object.keys(this._rawQuery);
      }
      /**
       * Set a query parameter with the provided name and value. If the parameterValue is undefined or
       * empty, then this will attempt to remove an existing query parameter with the provided
       * parameterName.
       */
      set(parameterName, parameterValue) {
          const caseParameterValue = parameterValue;
          if (parameterName) {
              if (caseParameterValue !== undefined && caseParameterValue !== null) {
                  const newValue = Array.isArray(caseParameterValue)
                      ? caseParameterValue
                      : caseParameterValue.toString();
                  this._rawQuery[parameterName] = newValue;
              }
              else {
                  delete this._rawQuery[parameterName];
              }
          }
      }
      /**
       * Get the value of the query parameter with the provided name. If no parameter exists with the
       * provided parameter name, then undefined will be returned.
       */
      get(parameterName) {
          return parameterName ? this._rawQuery[parameterName] : undefined;
      }
      /**
       * Get the string representation of this query. The return value will not start with a "?".
       */
      toString() {
          let result = "";
          for (const parameterName in this._rawQuery) {
              if (result) {
                  result += "&";
              }
              const parameterValue = this._rawQuery[parameterName];
              if (Array.isArray(parameterValue)) {
                  const parameterStrings = [];
                  for (const parameterValueElement of parameterValue) {
                      parameterStrings.push(`${parameterName}=${parameterValueElement}`);
                  }
                  result += parameterStrings.join("&");
              }
              else {
                  result += `${parameterName}=${parameterValue}`;
              }
          }
          return result;
      }
      /**
       * Parse a URLQuery from the provided text.
       */
      static parse(text) {
          const result = new URLQuery();
          if (text) {
              if (text.startsWith("?")) {
                  text = text.substring(1);
              }
              let currentState = "ParameterName";
              let parameterName = "";
              let parameterValue = "";
              for (let i = 0; i < text.length; ++i) {
                  const currentCharacter = text[i];
                  switch (currentState) {
                      case "ParameterName":
                          switch (currentCharacter) {
                              case "=":
                                  currentState = "ParameterValue";
                                  break;
                              case "&":
                                  parameterName = "";
                                  parameterValue = "";
                                  break;
                              default:
                                  parameterName += currentCharacter;
                                  break;
                          }
                          break;
                      case "ParameterValue":
                          switch (currentCharacter) {
                              case "&":
                                  result.set(parameterName, parameterValue);
                                  parameterName = "";
                                  parameterValue = "";
                                  currentState = "ParameterName";
                                  break;
                              default:
                                  parameterValue += currentCharacter;
                                  break;
                          }
                          break;
                      default:
                          throw new Error("Unrecognized URLQuery parse state: " + currentState);
                  }
              }
              if (currentState === "ParameterValue") {
                  result.set(parameterName, parameterValue);
              }
          }
          return result;
      }
  }
  /**
   * A class that handles creating, modifying, and parsing URLs.
   */
  class URLBuilder {
      /**
       * Set the scheme/protocol for this URL. If the provided scheme contains other parts of a URL
       * (such as a host, port, path, or query), those parts will be added to this URL as well.
       */
      setScheme(scheme) {
          if (!scheme) {
              this._scheme = undefined;
          }
          else {
              this.set(scheme, "SCHEME");
          }
      }
      /**
       * Get the scheme that has been set in this URL.
       */
      getScheme() {
          return this._scheme;
      }
      /**
       * Set the host for this URL. If the provided host contains other parts of a URL (such as a
       * port, path, or query), those parts will be added to this URL as well.
       */
      setHost(host) {
          if (!host) {
              this._host = undefined;
          }
          else {
              this.set(host, "SCHEME_OR_HOST");
          }
      }
      /**
       * Get the host that has been set in this URL.
       */
      getHost() {
          return this._host;
      }
      /**
       * Set the port for this URL. If the provided port contains other parts of a URL (such as a
       * path or query), those parts will be added to this URL as well.
       */
      setPort(port) {
          if (port === undefined || port === null || port === "") {
              this._port = undefined;
          }
          else {
              this.set(port.toString(), "PORT");
          }
      }
      /**
       * Get the port that has been set in this URL.
       */
      getPort() {
          return this._port;
      }
      /**
       * Set the path for this URL. If the provided path contains a query, then it will be added to
       * this URL as well.
       */
      setPath(path) {
          if (!path) {
              this._path = undefined;
          }
          else {
              const schemeIndex = path.indexOf("://");
              if (schemeIndex !== -1) {
                  const schemeStart = path.lastIndexOf("/", schemeIndex);
                  // Make sure to only grab the URL part of the path before setting the state back to SCHEME
                  // this will handle cases such as "/a/b/c/https://microsoft.com" => "https://microsoft.com"
                  this.set(schemeStart === -1 ? path : path.substr(schemeStart + 1), "SCHEME");
              }
              else {
                  this.set(path, "PATH");
              }
          }
      }
      /**
       * Append the provided path to this URL's existing path. If the provided path contains a query,
       * then it will be added to this URL as well.
       */
      appendPath(path) {
          if (path) {
              let currentPath = this.getPath();
              if (currentPath) {
                  if (!currentPath.endsWith("/")) {
                      currentPath += "/";
                  }
                  if (path.startsWith("/")) {
                      path = path.substring(1);
                  }
                  path = currentPath + path;
              }
              this.set(path, "PATH");
          }
      }
      /**
       * Get the path that has been set in this URL.
       */
      getPath() {
          return this._path;
      }
      /**
       * Set the query in this URL.
       */
      setQuery(query) {
          if (!query) {
              this._query = undefined;
          }
          else {
              this._query = URLQuery.parse(query);
          }
      }
      /**
       * Set a query parameter with the provided name and value in this URL's query. If the provided
       * query parameter value is undefined or empty, then the query parameter will be removed if it
       * existed.
       */
      setQueryParameter(queryParameterName, queryParameterValue) {
          if (queryParameterName) {
              if (!this._query) {
                  this._query = new URLQuery();
              }
              this._query.set(queryParameterName, queryParameterValue);
          }
      }
      /**
       * Get the value of the query parameter with the provided query parameter name. If no query
       * parameter exists with the provided name, then undefined will be returned.
       */
      getQueryParameterValue(queryParameterName) {
          return this._query ? this._query.get(queryParameterName) : undefined;
      }
      /**
       * Get the query in this URL.
       */
      getQuery() {
          return this._query ? this._query.toString() : undefined;
      }
      /**
       * Set the parts of this URL by parsing the provided text using the provided startState.
       */
      set(text, startState) {
          const tokenizer = new URLTokenizer(text, startState);
          while (tokenizer.next()) {
              const token = tokenizer.current();
              let tokenPath;
              if (token) {
                  switch (token.type) {
                      case "SCHEME":
                          this._scheme = token.text || undefined;
                          break;
                      case "HOST":
                          this._host = token.text || undefined;
                          break;
                      case "PORT":
                          this._port = token.text || undefined;
                          break;
                      case "PATH":
                          tokenPath = token.text || undefined;
                          if (!this._path || this._path === "/" || tokenPath !== "/") {
                              this._path = tokenPath;
                          }
                          break;
                      case "QUERY":
                          this._query = URLQuery.parse(token.text);
                          break;
                      default:
                          throw new Error(`Unrecognized URLTokenType: ${token.type}`);
                  }
              }
          }
      }
      /**
       * Serializes the URL as a string.
       * @returns the URL as a string.
       */
      toString() {
          let result = "";
          if (this._scheme) {
              result += `${this._scheme}://`;
          }
          if (this._host) {
              result += this._host;
          }
          if (this._port) {
              result += `:${this._port}`;
          }
          if (this._path) {
              if (!this._path.startsWith("/")) {
                  result += "/";
              }
              result += this._path;
          }
          if (this._query && this._query.any()) {
              result += `?${this._query.toString()}`;
          }
          return result;
      }
      /**
       * If the provided searchValue is found in this URLBuilder, then replace it with the provided
       * replaceValue.
       */
      replaceAll(searchValue, replaceValue) {
          if (searchValue) {
              this.setScheme(replaceAll(this.getScheme(), searchValue, replaceValue));
              this.setHost(replaceAll(this.getHost(), searchValue, replaceValue));
              this.setPort(replaceAll(this.getPort(), searchValue, replaceValue));
              this.setPath(replaceAll(this.getPath(), searchValue, replaceValue));
              this.setQuery(replaceAll(this.getQuery(), searchValue, replaceValue));
          }
      }
      /**
       * Parses a given string URL into a new {@link URLBuilder}.
       */
      static parse(text) {
          const result = new URLBuilder();
          result.set(text, "SCHEME_OR_HOST");
          return result;
      }
  }
  class URLToken {
      constructor(text, type) {
          this.text = text;
          this.type = type;
      }
      static scheme(text) {
          return new URLToken(text, "SCHEME");
      }
      static host(text) {
          return new URLToken(text, "HOST");
      }
      static port(text) {
          return new URLToken(text, "PORT");
      }
      static path(text) {
          return new URLToken(text, "PATH");
      }
      static query(text) {
          return new URLToken(text, "QUERY");
      }
  }
  /**
   * Get whether or not the provided character (single character string) is an alphanumeric (letter or
   * digit) character.
   */
  function isAlphaNumericCharacter(character) {
      const characterCode = character.charCodeAt(0);
      return ((48 /* '0' */ <= characterCode && characterCode <= 57) /* '9' */ ||
          (65 /* 'A' */ <= characterCode && characterCode <= 90) /* 'Z' */ ||
          (97 /* 'a' */ <= characterCode && characterCode <= 122) /* 'z' */);
  }
  /**
   * A class that tokenizes URL strings.
   */
  class URLTokenizer {
      constructor(_text, state) {
          this._text = _text;
          this._textLength = _text ? _text.length : 0;
          this._currentState = state !== undefined && state !== null ? state : "SCHEME_OR_HOST";
          this._currentIndex = 0;
      }
      /**
       * Get the current URLToken this URLTokenizer is pointing at, or undefined if the URLTokenizer
       * hasn't started or has finished tokenizing.
       */
      current() {
          return this._currentToken;
      }
      /**
       * Advance to the next URLToken and return whether or not a URLToken was found.
       */
      next() {
          if (!hasCurrentCharacter(this)) {
              this._currentToken = undefined;
          }
          else {
              switch (this._currentState) {
                  case "SCHEME":
                      nextScheme(this);
                      break;
                  case "SCHEME_OR_HOST":
                      nextSchemeOrHost(this);
                      break;
                  case "HOST":
                      nextHost(this);
                      break;
                  case "PORT":
                      nextPort(this);
                      break;
                  case "PATH":
                      nextPath(this);
                      break;
                  case "QUERY":
                      nextQuery(this);
                      break;
                  default:
                      throw new Error(`Unrecognized URLTokenizerState: ${this._currentState}`);
              }
          }
          return !!this._currentToken;
      }
  }
  /**
   * Read the remaining characters from this Tokenizer's character stream.
   */
  function readRemaining(tokenizer) {
      let result = "";
      if (tokenizer._currentIndex < tokenizer._textLength) {
          result = tokenizer._text.substring(tokenizer._currentIndex);
          tokenizer._currentIndex = tokenizer._textLength;
      }
      return result;
  }
  /**
   * Whether or not this URLTokenizer has a current character.
   */
  function hasCurrentCharacter(tokenizer) {
      return tokenizer._currentIndex < tokenizer._textLength;
  }
  /**
   * Get the character in the text string at the current index.
   */
  function getCurrentCharacter(tokenizer) {
      return tokenizer._text[tokenizer._currentIndex];
  }
  /**
   * Advance to the character in text that is "step" characters ahead. If no step value is provided,
   * then step will default to 1.
   */
  function nextCharacter(tokenizer, step) {
      if (hasCurrentCharacter(tokenizer)) {
          if (!step) {
              step = 1;
          }
          tokenizer._currentIndex += step;
      }
  }
  /**
   * Starting with the current character, peek "charactersToPeek" number of characters ahead in this
   * Tokenizer's stream of characters.
   */
  function peekCharacters(tokenizer, charactersToPeek) {
      let endIndex = tokenizer._currentIndex + charactersToPeek;
      if (tokenizer._textLength < endIndex) {
          endIndex = tokenizer._textLength;
      }
      return tokenizer._text.substring(tokenizer._currentIndex, endIndex);
  }
  /**
   * Read characters from this Tokenizer until the end of the stream or until the provided condition
   * is false when provided the current character.
   */
  function readWhile(tokenizer, condition) {
      let result = "";
      while (hasCurrentCharacter(tokenizer)) {
          const currentCharacter = getCurrentCharacter(tokenizer);
          if (!condition(currentCharacter)) {
              break;
          }
          else {
              result += currentCharacter;
              nextCharacter(tokenizer);
          }
      }
      return result;
  }
  /**
   * Read characters from this Tokenizer until a non-alphanumeric character or the end of the
   * character stream is reached.
   */
  function readWhileLetterOrDigit(tokenizer) {
      return readWhile(tokenizer, (character) => isAlphaNumericCharacter(character));
  }
  /**
   * Read characters from this Tokenizer until one of the provided terminating characters is read or
   * the end of the character stream is reached.
   */
  function readUntilCharacter(tokenizer, ...terminatingCharacters) {
      return readWhile(tokenizer, (character) => terminatingCharacters.indexOf(character) === -1);
  }
  function nextScheme(tokenizer) {
      const scheme = readWhileLetterOrDigit(tokenizer);
      tokenizer._currentToken = URLToken.scheme(scheme);
      if (!hasCurrentCharacter(tokenizer)) {
          tokenizer._currentState = "DONE";
      }
      else {
          tokenizer._currentState = "HOST";
      }
  }
  function nextSchemeOrHost(tokenizer) {
      const schemeOrHost = readUntilCharacter(tokenizer, ":", "/", "?");
      if (!hasCurrentCharacter(tokenizer)) {
          tokenizer._currentToken = URLToken.host(schemeOrHost);
          tokenizer._currentState = "DONE";
      }
      else if (getCurrentCharacter(tokenizer) === ":") {
          if (peekCharacters(tokenizer, 3) === "://") {
              tokenizer._currentToken = URLToken.scheme(schemeOrHost);
              tokenizer._currentState = "HOST";
          }
          else {
              tokenizer._currentToken = URLToken.host(schemeOrHost);
              tokenizer._currentState = "PORT";
          }
      }
      else {
          tokenizer._currentToken = URLToken.host(schemeOrHost);
          if (getCurrentCharacter(tokenizer) === "/") {
              tokenizer._currentState = "PATH";
          }
          else {
              tokenizer._currentState = "QUERY";
          }
      }
  }
  function nextHost(tokenizer) {
      if (peekCharacters(tokenizer, 3) === "://") {
          nextCharacter(tokenizer, 3);
      }
      const host = readUntilCharacter(tokenizer, ":", "/", "?");
      tokenizer._currentToken = URLToken.host(host);
      if (!hasCurrentCharacter(tokenizer)) {
          tokenizer._currentState = "DONE";
      }
      else if (getCurrentCharacter(tokenizer) === ":") {
          tokenizer._currentState = "PORT";
      }
      else if (getCurrentCharacter(tokenizer) === "/") {
          tokenizer._currentState = "PATH";
      }
      else {
          tokenizer._currentState = "QUERY";
      }
  }
  function nextPort(tokenizer) {
      if (getCurrentCharacter(tokenizer) === ":") {
          nextCharacter(tokenizer);
      }
      const port = readUntilCharacter(tokenizer, "/", "?");
      tokenizer._currentToken = URLToken.port(port);
      if (!hasCurrentCharacter(tokenizer)) {
          tokenizer._currentState = "DONE";
      }
      else if (getCurrentCharacter(tokenizer) === "/") {
          tokenizer._currentState = "PATH";
      }
      else {
          tokenizer._currentState = "QUERY";
      }
  }
  function nextPath(tokenizer) {
      const path = readUntilCharacter(tokenizer, "?");
      tokenizer._currentToken = URLToken.path(path);
      if (!hasCurrentCharacter(tokenizer)) {
          tokenizer._currentState = "DONE";
      }
      else {
          tokenizer._currentState = "QUERY";
      }
  }
  function nextQuery(tokenizer) {
      if (getCurrentCharacter(tokenizer) === "?") {
          nextCharacter(tokenizer);
      }
      const query = readRemaining(tokenizer);
      tokenizer._currentToken = URLToken.query(query);
      tokenizer._currentState = "DONE";
  }
  
  // Copyright (c) Microsoft Corporation.
  function createProxyAgent(requestUrl, proxySettings, headers) {
      const host = URLBuilder.parse(proxySettings.host).getHost();
      if (!host) {
          throw new Error("Expecting a non-empty host in proxy settings.");
      }
      if (!isValidPort(proxySettings.port)) {
          throw new Error("Expecting a valid port number in the range of [0, 65535] in proxy settings.");
      }
      const tunnelOptions = {
          proxy: {
              host: host,
              port: proxySettings.port,
              headers: (headers && headers.rawHeaders()) || {},
          },
      };
      if (proxySettings.username && proxySettings.password) {
          tunnelOptions.proxy.proxyAuth = `${proxySettings.username}:${proxySettings.password}`;
      }
      else if (proxySettings.username) {
          tunnelOptions.proxy.proxyAuth = `${proxySettings.username}`;
      }
      const isRequestHttps = isUrlHttps(requestUrl);
      const isProxyHttps = isUrlHttps(proxySettings.host);
      const proxyAgent = {
          isHttps: isRequestHttps,
          agent: createTunnel(isRequestHttps, isProxyHttps, tunnelOptions),
      };
      return proxyAgent;
  }
  function isUrlHttps(url) {
      const urlScheme = URLBuilder.parse(url).getScheme() || "";
      return urlScheme.toLowerCase() === "https";
  }
  function createTunnel(isRequestHttps, isProxyHttps, tunnelOptions) {
      if (isRequestHttps && isProxyHttps) {
          return tunnel__namespace.httpsOverHttps(tunnelOptions);
      }
      else if (isRequestHttps && !isProxyHttps) {
          return tunnel__namespace.httpsOverHttp(tunnelOptions);
      }
      else if (!isRequestHttps && isProxyHttps) {
          return tunnel__namespace.httpOverHttps(tunnelOptions);
      }
      else {
          return tunnel__namespace.httpOverHttp(tunnelOptions);
      }
  }
  function isValidPort(port) {
      // any port in 0-65535 range is valid (RFC 793) even though almost all implementations
      // will reserve 0 for a specific purpose, and a range of numbers for ephemeral ports
      return 0 <= port && port <= 65535;
  }
  
  // Copyright (c) Microsoft Corporation.
  const RedactedString = "REDACTED";
  const defaultAllowedHeaderNames = [
      "x-ms-client-request-id",
      "x-ms-return-client-request-id",
      "x-ms-useragent",
      "x-ms-correlation-request-id",
      "x-ms-request-id",
      "client-request-id",
      "ms-cv",
      "return-client-request-id",
      "traceparent",
      "Access-Control-Allow-Credentials",
      "Access-Control-Allow-Headers",
      "Access-Control-Allow-Methods",
      "Access-Control-Allow-Origin",
      "Access-Control-Expose-Headers",
      "Access-Control-Max-Age",
      "Access-Control-Request-Headers",
      "Access-Control-Request-Method",
      "Origin",
      "Accept",
      "Accept-Encoding",
      "Cache-Control",
      "Connection",
      "Content-Length",
      "Content-Type",
      "Date",
      "ETag",
      "Expires",
      "If-Match",
      "If-Modified-Since",
      "If-None-Match",
      "If-Unmodified-Since",
      "Last-Modified",
      "Pragma",
      "Request-Id",
      "Retry-After",
      "Server",
      "Transfer-Encoding",
      "User-Agent",
  ];
  const defaultAllowedQueryParameters = ["api-version"];
  class Sanitizer {
      constructor({ allowedHeaderNames = [], allowedQueryParameters = [] } = {}) {
          allowedHeaderNames = Array.isArray(allowedHeaderNames)
              ? defaultAllowedHeaderNames.concat(allowedHeaderNames)
              : defaultAllowedHeaderNames;
          allowedQueryParameters = Array.isArray(allowedQueryParameters)
              ? defaultAllowedQueryParameters.concat(allowedQueryParameters)
              : defaultAllowedQueryParameters;
          this.allowedHeaderNames = new Set(allowedHeaderNames.map((n) => n.toLowerCase()));
          this.allowedQueryParameters = new Set(allowedQueryParameters.map((p) => p.toLowerCase()));
      }
      sanitize(obj) {
          const seen = new Set();
          return JSON.stringify(obj, (key, value) => {
              // Ensure Errors include their interesting non-enumerable members
              if (value instanceof Error) {
                  return Object.assign(Object.assign({}, value), { name: value.name, message: value.message });
              }
              if (key === "_headersMap") {
                  return this.sanitizeHeaders(value);
              }
              else if (key === "url") {
                  return this.sanitizeUrl(value);
              }
              else if (key === "query") {
                  return this.sanitizeQuery(value);
              }
              else if (key === "body") {
                  // Don't log the request body
                  return undefined;
              }
              else if (key === "response") {
                  // Don't log response again
                  return undefined;
              }
              else if (key === "operationSpec") {
                  // When using sendOperationRequest, the request carries a massive
                  // field with the autorest spec. No need to log it.
                  return undefined;
              }
              else if (Array.isArray(value) || isObject(value)) {
                  if (seen.has(value)) {
                      return "[Circular]";
                  }
                  seen.add(value);
              }
              return value;
          }, 2);
      }
      sanitizeHeaders(value) {
          return this.sanitizeObject(value, this.allowedHeaderNames, (v, k) => v[k].value);
      }
      sanitizeQuery(value) {
          return this.sanitizeObject(value, this.allowedQueryParameters, (v, k) => v[k]);
      }
      sanitizeObject(value, allowedKeys, accessor) {
          if (typeof value !== "object" || value === null) {
              return value;
          }
          const sanitized = {};
          for (const k of Object.keys(value)) {
              if (allowedKeys.has(k.toLowerCase())) {
                  sanitized[k] = accessor(value, k);
              }
              else {
                  sanitized[k] = RedactedString;
              }
          }
          return sanitized;
      }
      sanitizeUrl(value) {
          if (typeof value !== "string" || value === null) {
              return value;
          }
          const urlBuilder = URLBuilder.parse(value);
          const queryString = urlBuilder.getQuery();
          if (!queryString) {
              return value;
          }
          const query = URLQuery.parse(queryString);
          for (const k of query.keys()) {
              if (!this.allowedQueryParameters.has(k.toLowerCase())) {
                  query.set(k, RedactedString);
              }
          }
          urlBuilder.setQuery(query.toString());
          return urlBuilder.toString();
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  const custom = util.inspect.custom;
  
  // Copyright (c) Microsoft Corporation.
  const errorSanitizer = new Sanitizer();
  /**
   * An error resulting from an HTTP request to a service endpoint.
   */
  class RestError extends Error {
      constructor(message, code, statusCode, request, response) {
          super(message);
          this.name = "RestError";
          this.code = code;
          this.statusCode = statusCode;
          this.request = request;
          this.response = response;
          Object.setPrototypeOf(this, RestError.prototype);
      }
      /**
       * Logging method for util.inspect in Node
       */
      [custom]() {
          return `RestError: ${this.message} \n ${errorSanitizer.sanitize(this)}`;
      }
  }
  /**
   * A constant string to identify errors that may arise when making an HTTP request that indicates an issue with the transport layer (e.g. the hostname of the URL cannot be resolved via DNS.)
   */
  RestError.REQUEST_SEND_ERROR = "REQUEST_SEND_ERROR";
  /**
   * A constant string to identify errors that may arise from parsing an incoming HTTP response. Usually indicates a malformed HTTP body, such as an encoded JSON payload that is incomplete.
   */
  RestError.PARSE_ERROR = "PARSE_ERROR";
  
  // Copyright (c) Microsoft Corporation.
  const logger = logger$1.createClientLogger("core-http");
  
  // Copyright (c) Microsoft Corporation.
  function getCachedAgent(isHttps, agentCache) {
      return isHttps ? agentCache.httpsAgent : agentCache.httpAgent;
  }
  class ReportTransform extends stream.Transform {
      constructor(progressCallback) {
          super();
          this.progressCallback = progressCallback;
          this.loadedBytes = 0;
      }
      _transform(chunk, _encoding, callback) {
          this.push(chunk);
          this.loadedBytes += chunk.length;
          this.progressCallback({ loadedBytes: this.loadedBytes });
          callback(undefined);
      }
  }
  function isReadableStream(body) {
      return body && typeof body.pipe === "function";
  }
  function isStreamComplete(stream, aborter) {
      return new Promise((resolve) => {
          stream.once("close", () => {
              aborter === null || aborter === void 0 ? void 0 : aborter.abort();
              resolve();
          });
          stream.once("end", resolve);
          stream.once("error", resolve);
      });
  }
  /**
   * Transforms a set of headers into the key/value pair defined by {@link HttpHeadersLike}
   */
  function parseHeaders(headers) {
      const httpHeaders = new HttpHeaders();
      headers.forEach((value, key) => {
          httpHeaders.set(key, value);
      });
      return httpHeaders;
  }
  /**
   * An HTTP client that uses `node-fetch`.
   */
  class NodeFetchHttpClient {
      constructor() {
          // a mapping of proxy settings string `${host}:${port}:${username}:${password}` to agent
          this.proxyAgentMap = new Map();
          this.keepAliveAgents = {};
          this.cookieJar = new tough__namespace.CookieJar(undefined, { looseMode: true });
      }
      /**
       * Provides minimum viable error handling and the logic that executes the abstract methods.
       * @param httpRequest - Object representing the outgoing HTTP request.
       * @returns An object representing the incoming HTTP response.
       */
      async sendRequest(httpRequest) {
          var _a;
          if (!httpRequest && typeof httpRequest !== "object") {
              throw new Error("'httpRequest' (WebResourceLike) cannot be null or undefined and must be of type object.");
          }
          const abortController$1 = new abortController.AbortController();
          let abortListener;
          if (httpRequest.abortSignal) {
              if (httpRequest.abortSignal.aborted) {
                  throw new abortController.AbortError("The operation was aborted.");
              }
              abortListener = (event) => {
                  if (event.type === "abort") {
                      abortController$1.abort();
                  }
              };
              httpRequest.abortSignal.addEventListener("abort", abortListener);
          }
          if (httpRequest.timeout) {
              setTimeout(() => {
                  abortController$1.abort();
              }, httpRequest.timeout);
          }
          if (httpRequest.formData) {
              const formData = httpRequest.formData;
              const requestForm = new FormData__default["default"]();
              const appendFormValue = (key, value) => {
                  // value function probably returns a stream so we can provide a fresh stream on each retry
                  if (typeof value === "function") {
                      value = value();
                  }
                  if (value &&
                      Object.prototype.hasOwnProperty.call(value, "value") &&
                      Object.prototype.hasOwnProperty.call(value, "options")) {
                      requestForm.append(key, value.value, value.options);
                  }
                  else {
                      requestForm.append(key, value);
                  }
              };
              for (const formKey of Object.keys(formData)) {
                  const formValue = formData[formKey];
                  if (Array.isArray(formValue)) {
                      for (let j = 0; j < formValue.length; j++) {
                          appendFormValue(formKey, formValue[j]);
                      }
                  }
                  else {
                      appendFormValue(formKey, formValue);
                  }
              }
              httpRequest.body = requestForm;
              httpRequest.formData = undefined;
              const contentType = httpRequest.headers.get("Content-Type");
              if (contentType && contentType.indexOf("multipart/form-data") !== -1) {
                  if (typeof requestForm.getBoundary === "function") {
                      httpRequest.headers.set("Content-Type", `multipart/form-data; boundary=${requestForm.getBoundary()}`);
                  }
                  else {
                      // browser will automatically apply a suitable content-type header
                      httpRequest.headers.remove("Content-Type");
                  }
              }
          }
          let body = httpRequest.body
              ? typeof httpRequest.body === "function"
                  ? httpRequest.body()
                  : httpRequest.body
              : undefined;
          if (httpRequest.onUploadProgress && httpRequest.body) {
              const onUploadProgress = httpRequest.onUploadProgress;
              const uploadReportStream = new ReportTransform(onUploadProgress);
              if (isReadableStream(body)) {
                  body.pipe(uploadReportStream);
              }
              else {
                  uploadReportStream.end(body);
              }
              body = uploadReportStream;
          }
          const platformSpecificRequestInit = await this.prepareRequest(httpRequest);
          const requestInit = Object.assign({ body: body, headers: httpRequest.headers.rawHeaders(), method: httpRequest.method, signal: abortController$1.signal, redirect: "manual" }, platformSpecificRequestInit);
          let operationResponse;
          try {
              const response = await this.fetch(httpRequest.url, requestInit);
              const headers = parseHeaders(response.headers);
              const streaming = ((_a = httpRequest.streamResponseStatusCodes) === null || _a === void 0 ? void 0 : _a.has(response.status)) ||
                  httpRequest.streamResponseBody;
              operationResponse = {
                  headers: headers,
                  request: httpRequest,
                  status: response.status,
                  readableStreamBody: streaming
                      ? response.body
                      : undefined,
                  bodyAsText: !streaming ? await response.text() : undefined,
              };
              const onDownloadProgress = httpRequest.onDownloadProgress;
              if (onDownloadProgress) {
                  const responseBody = response.body || undefined;
                  if (isReadableStream(responseBody)) {
                      const downloadReportStream = new ReportTransform(onDownloadProgress);
                      responseBody.pipe(downloadReportStream);
                      operationResponse.readableStreamBody = downloadReportStream;
                  }
                  else {
                      const length = parseInt(headers.get("Content-Length")) || undefined;
                      if (length) {
                          // Calling callback for non-stream response for consistency with browser
                          onDownloadProgress({ loadedBytes: length });
                      }
                  }
              }
              await this.processRequest(operationResponse);
              return operationResponse;
          }
          catch (error) {
              const fetchError = error;
              if (fetchError.code === "ENOTFOUND") {
                  throw new RestError(fetchError.message, RestError.REQUEST_SEND_ERROR, undefined, httpRequest);
              }
              else if (fetchError.type === "aborted") {
                  throw new abortController.AbortError("The operation was aborted.");
              }
              throw fetchError;
          }
          finally {
              // clean up event listener
              if (httpRequest.abortSignal && abortListener) {
                  let uploadStreamDone = Promise.resolve();
                  if (isReadableStream(body)) {
                      uploadStreamDone = isStreamComplete(body);
                  }
                  let downloadStreamDone = Promise.resolve();
                  if (isReadableStream(operationResponse === null || operationResponse === void 0 ? void 0 : operationResponse.readableStreamBody)) {
                      downloadStreamDone = isStreamComplete(operationResponse.readableStreamBody, abortController$1);
                  }
                  Promise.all([uploadStreamDone, downloadStreamDone])
                      .then(() => {
                      var _a;
                      (_a = httpRequest.abortSignal) === null || _a === void 0 ? void 0 : _a.removeEventListener("abort", abortListener);
                      return;
                  })
                      .catch((e) => {
                      logger.warning("Error when cleaning up abortListener on httpRequest", e);
                  });
              }
          }
      }
      getOrCreateAgent(httpRequest) {
          var _a;
          const isHttps = isUrlHttps(httpRequest.url);
          // At the moment, proxy settings and keepAlive are mutually
          // exclusive because the 'tunnel' library currently lacks the
          // ability to create a proxy with keepAlive turned on.
          if (httpRequest.proxySettings) {
              const { host, port, username, password } = httpRequest.proxySettings;
              const key = `${host}:${port}:${username}:${password}`;
              const proxyAgents = (_a = this.proxyAgentMap.get(key)) !== null && _a !== void 0 ? _a : {};
              let agent = getCachedAgent(isHttps, proxyAgents);
              if (agent) {
                  return agent;
              }
              const tunnel = createProxyAgent(httpRequest.url, httpRequest.proxySettings, httpRequest.headers);
              agent = tunnel.agent;
              if (tunnel.isHttps) {
                  proxyAgents.httpsAgent = tunnel.agent;
              }
              else {
                  proxyAgents.httpAgent = tunnel.agent;
              }
              this.proxyAgentMap.set(key, proxyAgents);
              return agent;
          }
          else if (httpRequest.keepAlive) {
              let agent = getCachedAgent(isHttps, this.keepAliveAgents);
              if (agent) {
                  return agent;
              }
              const agentOptions = {
                  keepAlive: httpRequest.keepAlive,
              };
              if (isHttps) {
                  agent = this.keepAliveAgents.httpsAgent = new https__namespace.Agent(agentOptions);
              }
              else {
                  agent = this.keepAliveAgents.httpAgent = new http__namespace.Agent(agentOptions);
              }
              return agent;
          }
          else {
              return isHttps ? https__namespace.globalAgent : http__namespace.globalAgent;
          }
      }
      /**
       * Uses `node-fetch` to perform the request.
       */
      // eslint-disable-next-line @azure/azure-sdk/ts-apisurface-standardized-verbs
      async fetch(input, init) {
          return node_fetch__default["default"](input, init);
      }
      /**
       * Prepares a request based on the provided web resource.
       */
      async prepareRequest(httpRequest) {
          const requestInit = {};
          if (this.cookieJar && !httpRequest.headers.get("Cookie")) {
              const cookieString = await new Promise((resolve, reject) => {
                  this.cookieJar.getCookieString(httpRequest.url, (err, cookie) => {
                      if (err) {
                          reject(err);
                      }
                      else {
                          resolve(cookie);
                      }
                  });
              });
              httpRequest.headers.set("Cookie", cookieString);
          }
          // Set the http(s) agent
          requestInit.agent = this.getOrCreateAgent(httpRequest);
          requestInit.compress = httpRequest.decompressResponse;
          return requestInit;
      }
      /**
       * Process an HTTP response. Handles persisting a cookie for subsequent requests if the response has a "Set-Cookie" header.
       */
      async processRequest(operationResponse) {
          if (this.cookieJar) {
              const setCookieHeader = operationResponse.headers.get("Set-Cookie");
              if (setCookieHeader !== undefined) {
                  await new Promise((resolve, reject) => {
                      this.cookieJar.setCookie(setCookieHeader, operationResponse.request.url, { ignoreError: true }, (err) => {
                          if (err) {
                              reject(err);
                          }
                          else {
                              resolve();
                          }
                      });
                  });
              }
          }
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * The different levels of logs that can be used with the HttpPipelineLogger.
   */
  exports.HttpPipelineLogLevel = void 0;
  (function (HttpPipelineLogLevel) {
      /**
       * A log level that indicates that no logs will be logged.
       */
      HttpPipelineLogLevel[HttpPipelineLogLevel["OFF"] = 0] = "OFF";
      /**
       * An error log.
       */
      HttpPipelineLogLevel[HttpPipelineLogLevel["ERROR"] = 1] = "ERROR";
      /**
       * A warning log.
       */
      HttpPipelineLogLevel[HttpPipelineLogLevel["WARNING"] = 2] = "WARNING";
      /**
       * An information log.
       */
      HttpPipelineLogLevel[HttpPipelineLogLevel["INFO"] = 3] = "INFO";
  })(exports.HttpPipelineLogLevel || (exports.HttpPipelineLogLevel = {}));
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Converts an OperationOptions to a RequestOptionsBase
   *
   * @param opts - OperationOptions object to convert to RequestOptionsBase
   */
  function operationOptionsToRequestOptionsBase(opts) {
      var _a;
      const { requestOptions, tracingOptions } = opts, additionalOptions = tslib.__rest(opts, ["requestOptions", "tracingOptions"]);
      let result = additionalOptions;
      if (requestOptions) {
          result = Object.assign(Object.assign({}, result), requestOptions);
      }
      if (tracingOptions) {
          result.tracingContext = tracingOptions.tracingContext;
          // By passing spanOptions if they exist at runtime, we're backwards compatible with @azure/core-tracing@preview.13 and earlier.
          result.spanOptions = (_a = tracingOptions) === null || _a === void 0 ? void 0 : _a.spanOptions;
      }
      return result;
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * The base class from which all request policies derive.
   */
  class BaseRequestPolicy {
      /**
       * The main method to implement that manipulates a request/response.
       */
      constructor(
      /**
       * The next policy in the pipeline. Each policy is responsible for executing the next one if the request is to continue through the pipeline.
       */
      _nextPolicy, 
      /**
       * The options that can be passed to a given request policy.
       */
      _options) {
          this._nextPolicy = _nextPolicy;
          this._options = _options;
      }
      /**
       * Get whether or not a log with the provided log level should be logged.
       * @param logLevel - The log level of the log that will be logged.
       * @returns Whether or not a log with the provided log level should be logged.
       */
      shouldLog(logLevel) {
          return this._options.shouldLog(logLevel);
      }
      /**
       * Attempt to log the provided message to the provided logger. If no logger was provided or if
       * the log level does not meat the logger's threshold, then nothing will be logged.
       * @param logLevel - The log level of this log.
       * @param message - The message of this log.
       */
      log(logLevel, message) {
          this._options.log(logLevel, message);
      }
  }
  /**
   * Optional properties that can be used when creating a RequestPolicy.
   */
  class RequestPolicyOptions {
      constructor(_logger) {
          this._logger = _logger;
      }
      /**
       * Get whether or not a log with the provided log level should be logged.
       * @param logLevel - The log level of the log that will be logged.
       * @returns Whether or not a log with the provided log level should be logged.
       */
      shouldLog(logLevel) {
          return (!!this._logger &&
              logLevel !== exports.HttpPipelineLogLevel.OFF &&
              logLevel <= this._logger.minimumLogLevel);
      }
      /**
       * Attempt to log the provided message to the provided logger. If no logger was provided or if
       * the log level does not meet the logger's threshold, then nothing will be logged.
       * @param logLevel - The log level of this log.
       * @param message - The message of this log.
       */
      log(logLevel, message) {
          if (this._logger && this.shouldLog(logLevel)) {
              this._logger.log(logLevel, message);
          }
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  // Note: The reason we re-define all of the xml2js default settings (version 2.0) here is because the default settings object exposed
  // by the xm2js library is mutable. See https://github.com/Leonidas-from-XIV/node-xml2js/issues/536
  // By creating a new copy of the settings each time we instantiate the parser,
  // we are safeguarding against the possibility of the default settings being mutated elsewhere unintentionally.
  const xml2jsDefaultOptionsV2 = {
      explicitCharkey: false,
      trim: false,
      normalize: false,
      normalizeTags: false,
      attrkey: XML_ATTRKEY,
      explicitArray: true,
      ignoreAttrs: false,
      mergeAttrs: false,
      explicitRoot: true,
      validator: undefined,
      xmlns: false,
      explicitChildren: false,
      preserveChildrenOrder: false,
      childkey: "$$",
      charsAsChildren: false,
      includeWhiteChars: false,
      async: false,
      strict: true,
      attrNameProcessors: undefined,
      attrValueProcessors: undefined,
      tagNameProcessors: undefined,
      valueProcessors: undefined,
      rootName: "root",
      xmldec: {
          version: "1.0",
          encoding: "UTF-8",
          standalone: true,
      },
      doctype: undefined,
      renderOpts: {
          pretty: true,
          indent: "  ",
          newline: "\n",
      },
      headless: false,
      chunkSize: 10000,
      emptyTag: "",
      cdata: false,
  };
  // The xml2js settings for general XML parsing operations.
  const xml2jsParserSettings = Object.assign({}, xml2jsDefaultOptionsV2);
  xml2jsParserSettings.explicitArray = false;
  // The xml2js settings for general XML building operations.
  const xml2jsBuilderSettings = Object.assign({}, xml2jsDefaultOptionsV2);
  xml2jsBuilderSettings.explicitArray = false;
  xml2jsBuilderSettings.renderOpts = {
      pretty: false,
  };
  /**
   * Converts given JSON object to XML string
   * @param obj - JSON object to be converted into XML string
   * @param opts - Options that govern the parsing of given JSON object
   */
  function stringifyXML(obj, opts = {}) {
      var _a;
      xml2jsBuilderSettings.rootName = opts.rootName;
      xml2jsBuilderSettings.charkey = (_a = opts.xmlCharKey) !== null && _a !== void 0 ? _a : XML_CHARKEY;
      const builder = new xml2js__namespace.Builder(xml2jsBuilderSettings);
      return builder.buildObject(obj);
  }
  /**
   * Converts given XML string into JSON
   * @param str - String containing the XML content to be parsed into JSON
   * @param opts - Options that govern the parsing of given xml string
   */
  function parseXML(str, opts = {}) {
      var _a;
      xml2jsParserSettings.explicitRoot = !!opts.includeRoot;
      xml2jsParserSettings.charkey = (_a = opts.xmlCharKey) !== null && _a !== void 0 ? _a : XML_CHARKEY;
      const xmlParser = new xml2js__namespace.Parser(xml2jsParserSettings);
      return new Promise((resolve, reject) => {
          if (!str) {
              reject(new Error("Document is empty"));
          }
          else {
              xmlParser.parseString(str, (err, res) => {
                  if (err) {
                      reject(err);
                  }
                  else {
                      resolve(res);
                  }
              });
          }
      });
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Create a new serialization RequestPolicyCreator that will serialized HTTP request bodies as they
   * pass through the HTTP pipeline.
   */
  function deserializationPolicy(deserializationContentTypes, parsingOptions) {
      return {
          create: (nextPolicy, options) => {
              return new DeserializationPolicy(nextPolicy, options, deserializationContentTypes, parsingOptions);
          },
      };
  }
  const defaultJsonContentTypes = ["application/json", "text/json"];
  const defaultXmlContentTypes = ["application/xml", "application/atom+xml"];
  const DefaultDeserializationOptions = {
      expectedContentTypes: {
          json: defaultJsonContentTypes,
          xml: defaultXmlContentTypes,
      },
  };
  /**
   * A RequestPolicy that will deserialize HTTP response bodies and headers as they pass through the
   * HTTP pipeline.
   */
  class DeserializationPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, requestPolicyOptions, deserializationContentTypes, parsingOptions = {}) {
          var _a;
          super(nextPolicy, requestPolicyOptions);
          this.jsonContentTypes =
              (deserializationContentTypes && deserializationContentTypes.json) || defaultJsonContentTypes;
          this.xmlContentTypes =
              (deserializationContentTypes && deserializationContentTypes.xml) || defaultXmlContentTypes;
          this.xmlCharKey = (_a = parsingOptions.xmlCharKey) !== null && _a !== void 0 ? _a : XML_CHARKEY;
      }
      async sendRequest(request) {
          return this._nextPolicy.sendRequest(request).then((response) => deserializeResponseBody(this.jsonContentTypes, this.xmlContentTypes, response, {
              xmlCharKey: this.xmlCharKey,
          }));
      }
  }
  function getOperationResponse(parsedResponse) {
      let result;
      const request = parsedResponse.request;
      const operationSpec = request.operationSpec;
      if (operationSpec) {
          const operationResponseGetter = request.operationResponseGetter;
          if (!operationResponseGetter) {
              result = operationSpec.responses[parsedResponse.status];
          }
          else {
              result = operationResponseGetter(operationSpec, parsedResponse);
          }
      }
      return result;
  }
  function shouldDeserializeResponse(parsedResponse) {
      const shouldDeserialize = parsedResponse.request.shouldDeserialize;
      let result;
      if (shouldDeserialize === undefined) {
          result = true;
      }
      else if (typeof shouldDeserialize === "boolean") {
          result = shouldDeserialize;
      }
      else {
          result = shouldDeserialize(parsedResponse);
      }
      return result;
  }
  /**
   * Given a particular set of content types to parse as either JSON or XML, consumes the HTTP response to produce the result object defined by the request's {@link OperationSpec}.
   * @param jsonContentTypes - Response content types to parse the body as JSON.
   * @param xmlContentTypes  - Response content types to parse the body as XML.
   * @param response - HTTP Response from the pipeline.
   * @param options  - Options to the serializer, mostly for configuring the XML parser if needed.
   * @returns A parsed {@link HttpOperationResponse} object that can be returned by the {@link ServiceClient}.
   */
  function deserializeResponseBody(jsonContentTypes, xmlContentTypes, response, options = {}) {
      var _a, _b, _c;
      const updatedOptions = {
          rootName: (_a = options.rootName) !== null && _a !== void 0 ? _a : "",
          includeRoot: (_b = options.includeRoot) !== null && _b !== void 0 ? _b : false,
          xmlCharKey: (_c = options.xmlCharKey) !== null && _c !== void 0 ? _c : XML_CHARKEY,
      };
      return parse(jsonContentTypes, xmlContentTypes, response, updatedOptions).then((parsedResponse) => {
          if (!shouldDeserializeResponse(parsedResponse)) {
              return parsedResponse;
          }
          const operationSpec = parsedResponse.request.operationSpec;
          if (!operationSpec || !operationSpec.responses) {
              return parsedResponse;
          }
          const responseSpec = getOperationResponse(parsedResponse);
          const { error, shouldReturnResponse } = handleErrorResponse(parsedResponse, operationSpec, responseSpec);
          if (error) {
              throw error;
          }
          else if (shouldReturnResponse) {
              return parsedResponse;
          }
          // An operation response spec does exist for current status code, so
          // use it to deserialize the response.
          if (responseSpec) {
              if (responseSpec.bodyMapper) {
                  let valueToDeserialize = parsedResponse.parsedBody;
                  if (operationSpec.isXML && responseSpec.bodyMapper.type.name === MapperType.Sequence) {
                      valueToDeserialize =
                          typeof valueToDeserialize === "object"
                              ? valueToDeserialize[responseSpec.bodyMapper.xmlElementName]
                              : [];
                  }
                  try {
                      parsedResponse.parsedBody = operationSpec.serializer.deserialize(responseSpec.bodyMapper, valueToDeserialize, "operationRes.parsedBody", options);
                  }
                  catch (innerError) {
                      const restError = new RestError(`Error ${innerError} occurred in deserializing the responseBody - ${parsedResponse.bodyAsText}`, undefined, parsedResponse.status, parsedResponse.request, parsedResponse);
                      throw restError;
                  }
              }
              else if (operationSpec.httpMethod === "HEAD") {
                  // head methods never have a body, but we return a boolean to indicate presence/absence of the resource
                  parsedResponse.parsedBody = response.status >= 200 && response.status < 300;
              }
              if (responseSpec.headersMapper) {
                  parsedResponse.parsedHeaders = operationSpec.serializer.deserialize(responseSpec.headersMapper, parsedResponse.headers.rawHeaders(), "operationRes.parsedHeaders", options);
              }
          }
          return parsedResponse;
      });
  }
  function isOperationSpecEmpty(operationSpec) {
      const expectedStatusCodes = Object.keys(operationSpec.responses);
      return (expectedStatusCodes.length === 0 ||
          (expectedStatusCodes.length === 1 && expectedStatusCodes[0] === "default"));
  }
  function handleErrorResponse(parsedResponse, operationSpec, responseSpec) {
      var _a;
      const isSuccessByStatus = 200 <= parsedResponse.status && parsedResponse.status < 300;
      const isExpectedStatusCode = isOperationSpecEmpty(operationSpec)
          ? isSuccessByStatus
          : !!responseSpec;
      if (isExpectedStatusCode) {
          if (responseSpec) {
              if (!responseSpec.isError) {
                  return { error: null, shouldReturnResponse: false };
              }
          }
          else {
              return { error: null, shouldReturnResponse: false };
          }
      }
      const errorResponseSpec = responseSpec !== null && responseSpec !== void 0 ? responseSpec : operationSpec.responses.default;
      const streaming = ((_a = parsedResponse.request.streamResponseStatusCodes) === null || _a === void 0 ? void 0 : _a.has(parsedResponse.status)) ||
          parsedResponse.request.streamResponseBody;
      const initialErrorMessage = streaming
          ? `Unexpected status code: ${parsedResponse.status}`
          : parsedResponse.bodyAsText;
      const error = new RestError(initialErrorMessage, undefined, parsedResponse.status, parsedResponse.request, parsedResponse);
      // If the item failed but there's no error spec or default spec to deserialize the error,
      // we should fail so we just throw the parsed response
      if (!errorResponseSpec) {
          throw error;
      }
      const defaultBodyMapper = errorResponseSpec.bodyMapper;
      const defaultHeadersMapper = errorResponseSpec.headersMapper;
      try {
          // If error response has a body, try to deserialize it using default body mapper.
          // Then try to extract error code & message from it
          if (parsedResponse.parsedBody) {
              const parsedBody = parsedResponse.parsedBody;
              let parsedError;
              if (defaultBodyMapper) {
                  let valueToDeserialize = parsedBody;
                  if (operationSpec.isXML && defaultBodyMapper.type.name === MapperType.Sequence) {
                      valueToDeserialize =
                          typeof parsedBody === "object" ? parsedBody[defaultBodyMapper.xmlElementName] : [];
                  }
                  parsedError = operationSpec.serializer.deserialize(defaultBodyMapper, valueToDeserialize, "error.response.parsedBody");
              }
              const internalError = parsedBody.error || parsedError || parsedBody;
              error.code = internalError.code;
              if (internalError.message) {
                  error.message = internalError.message;
              }
              if (defaultBodyMapper) {
                  error.response.parsedBody = parsedError;
              }
          }
          // If error response has headers, try to deserialize it using default header mapper
          if (parsedResponse.headers && defaultHeadersMapper) {
              error.response.parsedHeaders = operationSpec.serializer.deserialize(defaultHeadersMapper, parsedResponse.headers.rawHeaders(), "operationRes.parsedHeaders");
          }
      }
      catch (defaultError) {
          error.message = `Error "${defaultError.message}" occurred in deserializing the responseBody - "${parsedResponse.bodyAsText}" for the default response.`;
      }
      return { error, shouldReturnResponse: false };
  }
  function parse(jsonContentTypes, xmlContentTypes, operationResponse, opts) {
      var _a;
      const errorHandler = (err) => {
          const msg = `Error "${err}" occurred while parsing the response body - ${operationResponse.bodyAsText}.`;
          const errCode = err.code || RestError.PARSE_ERROR;
          const e = new RestError(msg, errCode, operationResponse.status, operationResponse.request, operationResponse);
          return Promise.reject(e);
      };
      const streaming = ((_a = operationResponse.request.streamResponseStatusCodes) === null || _a === void 0 ? void 0 : _a.has(operationResponse.status)) ||
          operationResponse.request.streamResponseBody;
      if (!streaming && operationResponse.bodyAsText) {
          const text = operationResponse.bodyAsText;
          const contentType = operationResponse.headers.get("Content-Type") || "";
          const contentComponents = !contentType
              ? []
              : contentType.split(";").map((component) => component.toLowerCase());
          if (contentComponents.length === 0 ||
              contentComponents.some((component) => jsonContentTypes.indexOf(component) !== -1)) {
              return new Promise((resolve) => {
                  operationResponse.parsedBody = JSON.parse(text);
                  resolve(operationResponse);
              }).catch(errorHandler);
          }
          else if (contentComponents.some((component) => xmlContentTypes.indexOf(component) !== -1)) {
              return parseXML(text, opts)
                  .then((body) => {
                  operationResponse.parsedBody = body;
                  return operationResponse;
              })
                  .catch(errorHandler);
          }
      }
      return Promise.resolve(operationResponse);
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * By default, HTTP connections are maintained for future requests.
   */
  const DefaultKeepAliveOptions = {
      enable: true,
  };
  /**
   * Creates a policy that controls whether HTTP connections are maintained on future requests.
   * @param keepAliveOptions - Keep alive options. By default, HTTP connections are maintained for future requests.
   * @returns An instance of the {@link KeepAlivePolicy}
   */
  function keepAlivePolicy(keepAliveOptions) {
      return {
          create: (nextPolicy, options) => {
              return new KeepAlivePolicy(nextPolicy, options, keepAliveOptions || DefaultKeepAliveOptions);
          },
      };
  }
  /**
   * KeepAlivePolicy is a policy used to control keep alive settings for every request.
   */
  class KeepAlivePolicy extends BaseRequestPolicy {
      /**
       * Creates an instance of KeepAlivePolicy.
       *
       * @param nextPolicy -
       * @param options -
       * @param keepAliveOptions -
       */
      constructor(nextPolicy, options, keepAliveOptions) {
          super(nextPolicy, options);
          this.keepAliveOptions = keepAliveOptions;
      }
      /**
       * Sends out request.
       *
       * @param request -
       * @returns
       */
      async sendRequest(request) {
          request.keepAlive = this.keepAliveOptions.enable;
          return this._nextPolicy.sendRequest(request);
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Methods that are allowed to follow redirects 301 and 302
   */
  const allowedRedirect = ["GET", "HEAD"];
  const DefaultRedirectOptions = {
      handleRedirects: true,
      maxRetries: 20,
  };
  /**
   * Creates a redirect policy, which sends a repeats the request to a new destination if a response arrives with a "location" header, and a status code between 300 and 307.
   * @param maximumRetries - Maximum number of redirects to follow.
   * @returns An instance of the {@link RedirectPolicy}
   */
  function redirectPolicy(maximumRetries = 20) {
      return {
          create: (nextPolicy, options) => {
              return new RedirectPolicy(nextPolicy, options, maximumRetries);
          },
      };
  }
  /**
   * Resends the request to a new destination if a response arrives with a "location" header, and a status code between 300 and 307.
   */
  class RedirectPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, options, maxRetries = 20) {
          super(nextPolicy, options);
          this.maxRetries = maxRetries;
      }
      sendRequest(request) {
          return this._nextPolicy
              .sendRequest(request)
              .then((response) => handleRedirect(this, response, 0));
      }
  }
  function handleRedirect(policy, response, currentRetries) {
      const { request, status } = response;
      const locationHeader = response.headers.get("location");
      if (locationHeader &&
          (status === 300 ||
              (status === 301 && allowedRedirect.includes(request.method)) ||
              (status === 302 && allowedRedirect.includes(request.method)) ||
              (status === 303 && request.method === "POST") ||
              status === 307) &&
          (!policy.maxRetries || currentRetries < policy.maxRetries)) {
          const builder = URLBuilder.parse(request.url);
          builder.setPath(locationHeader);
          request.url = builder.toString();
          // POST request with Status code 303 should be converted into a
          // redirected GET request if the redirect url is present in the location header
          if (status === 303) {
              request.method = "GET";
              delete request.body;
          }
          return policy._nextPolicy
              .sendRequest(request)
              .then((res) => handleRedirect(policy, res, currentRetries + 1));
      }
      return Promise.resolve(response);
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  const DEFAULT_CLIENT_RETRY_COUNT = 3;
  // intervals are in ms
  const DEFAULT_CLIENT_RETRY_INTERVAL = 1000 * 30;
  const DEFAULT_CLIENT_MAX_RETRY_INTERVAL = 1000 * 90;
  const DEFAULT_CLIENT_MIN_RETRY_INTERVAL = 1000 * 3;
  function isNumber(n) {
      return typeof n === "number";
  }
  /**
   * @internal
   * Determines if the operation should be retried.
   *
   * @param retryLimit - Specifies the max number of retries.
   * @param predicate - Initial chekck on whether to retry based on given responses or errors
   * @param retryData -  The retry data.
   * @returns True if the operation qualifies for a retry; false otherwise.
   */
  function shouldRetry(retryLimit, predicate, retryData, response, error) {
      if (!predicate(response, error)) {
          return false;
      }
      return retryData.retryCount < retryLimit;
  }
  /**
   * @internal
   * Updates the retry data for the next attempt.
   *
   * @param retryOptions - specifies retry interval, and its lower bound and upper bound.
   * @param retryData -  The retry data.
   * @param err - The operation"s error, if any.
   */
  function updateRetryData(retryOptions, retryData = { retryCount: 0, retryInterval: 0 }, err) {
      if (err) {
          if (retryData.error) {
              err.innerError = retryData.error;
          }
          retryData.error = err;
      }
      // Adjust retry count
      retryData.retryCount++;
      // Adjust retry interval
      let incrementDelta = Math.pow(2, retryData.retryCount - 1) - 1;
      const boundedRandDelta = retryOptions.retryInterval * 0.8 +
          Math.floor(Math.random() * (retryOptions.retryInterval * 0.4));
      incrementDelta *= boundedRandDelta;
      retryData.retryInterval = Math.min(retryOptions.minRetryInterval + incrementDelta, retryOptions.maxRetryInterval);
      return retryData;
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * Helper TypeGuard that checks if the value is not null or undefined.
   * @param thing - Anything
   * @internal
   */
  function isDefined(thing) {
      return typeof thing !== "undefined" && thing !== null;
  }
  
  // Copyright (c) Microsoft Corporation.
  const StandardAbortMessage$1 = "The operation was aborted.";
  /**
   * A wrapper for setTimeout that resolves a promise after delayInMs milliseconds.
   * @param delayInMs - The number of milliseconds to be delayed.
   * @param value - The value to be resolved with after a timeout of t milliseconds.
   * @param options - The options for delay - currently abort options
   *   @param abortSignal - The abortSignal associated with containing operation.
   *   @param abortErrorMsg - The abort error message associated with containing operation.
   * @returns - Resolved promise
   */
  function delay(delayInMs, value, options) {
      return new Promise((resolve, reject) => {
          let timer = undefined;
          let onAborted = undefined;
          const rejectOnAbort = () => {
              return reject(new abortController.AbortError((options === null || options === void 0 ? void 0 : options.abortErrorMsg) ? options === null || options === void 0 ? void 0 : options.abortErrorMsg : StandardAbortMessage$1));
          };
          const removeListeners = () => {
              if ((options === null || options === void 0 ? void 0 : options.abortSignal) && onAborted) {
                  options.abortSignal.removeEventListener("abort", onAborted);
              }
          };
          onAborted = () => {
              if (isDefined(timer)) {
                  clearTimeout(timer);
              }
              removeListeners();
              return rejectOnAbort();
          };
          if ((options === null || options === void 0 ? void 0 : options.abortSignal) && options.abortSignal.aborted) {
              return rejectOnAbort();
          }
          timer = setTimeout(() => {
              removeListeners();
              resolve(value);
          }, delayInMs);
          if (options === null || options === void 0 ? void 0 : options.abortSignal) {
              options.abortSignal.addEventListener("abort", onAborted);
          }
      });
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Policy that retries the request as many times as configured for as long as the max retry time interval specified, each retry waiting longer to begin than the last time.
   * @param retryCount - Maximum number of retries.
   * @param retryInterval - Base time between retries.
   * @param maxRetryInterval - Maximum time to wait between retries.
   */
  function exponentialRetryPolicy(retryCount, retryInterval, maxRetryInterval) {
      return {
          create: (nextPolicy, options) => {
              return new ExponentialRetryPolicy(nextPolicy, options, retryCount, retryInterval, maxRetryInterval);
          },
      };
  }
  /**
   * Describes the Retry Mode type. Currently supporting only Exponential.
   */
  exports.RetryMode = void 0;
  (function (RetryMode) {
      /**
       * Currently supported retry mode.
       * Each time a retry happens, it will take exponentially more time than the last time.
       */
      RetryMode[RetryMode["Exponential"] = 0] = "Exponential";
  })(exports.RetryMode || (exports.RetryMode = {}));
  const DefaultRetryOptions = {
      maxRetries: DEFAULT_CLIENT_RETRY_COUNT,
      retryDelayInMs: DEFAULT_CLIENT_RETRY_INTERVAL,
      maxRetryDelayInMs: DEFAULT_CLIENT_MAX_RETRY_INTERVAL,
  };
  /**
   * Instantiates a new "ExponentialRetryPolicyFilter" instance.
   */
  class ExponentialRetryPolicy extends BaseRequestPolicy {
      /**
       * @param nextPolicy - The next RequestPolicy in the pipeline chain.
       * @param options - The options for this RequestPolicy.
       * @param retryCount - The client retry count.
       * @param retryInterval - The client retry interval, in milliseconds.
       * @param minRetryInterval - The minimum retry interval, in milliseconds.
       * @param maxRetryInterval - The maximum retry interval, in milliseconds.
       */
      constructor(nextPolicy, options, retryCount, retryInterval, maxRetryInterval) {
          super(nextPolicy, options);
          this.retryCount = isNumber(retryCount) ? retryCount : DEFAULT_CLIENT_RETRY_COUNT;
          this.retryInterval = isNumber(retryInterval) ? retryInterval : DEFAULT_CLIENT_RETRY_INTERVAL;
          this.maxRetryInterval = isNumber(maxRetryInterval)
              ? maxRetryInterval
              : DEFAULT_CLIENT_MAX_RETRY_INTERVAL;
      }
      sendRequest(request) {
          return this._nextPolicy
              .sendRequest(request.clone())
              .then((response) => retry$1(this, request, response))
              .catch((error) => retry$1(this, request, error.response, undefined, error));
      }
  }
  async function retry$1(policy, request, response, retryData, requestError) {
      function shouldPolicyRetry(responseParam) {
          const statusCode = responseParam === null || responseParam === void 0 ? void 0 : responseParam.status;
          if (statusCode === 503 && (response === null || response === void 0 ? void 0 : response.headers.get(Constants.HeaderConstants.RETRY_AFTER))) {
              return false;
          }
          if (statusCode === undefined ||
              (statusCode < 500 && statusCode !== 408) ||
              statusCode === 501 ||
              statusCode === 505) {
              return false;
          }
          return true;
      }
      retryData = updateRetryData({
          retryInterval: policy.retryInterval,
          minRetryInterval: 0,
          maxRetryInterval: policy.maxRetryInterval,
      }, retryData, requestError);
      const isAborted = request.abortSignal && request.abortSignal.aborted;
      if (!isAborted && shouldRetry(policy.retryCount, shouldPolicyRetry, retryData, response)) {
          logger.info(`Retrying request in ${retryData.retryInterval}`);
          try {
              await delay(retryData.retryInterval);
              const res = await policy._nextPolicy.sendRequest(request.clone());
              return retry$1(policy, request, res, retryData);
          }
          catch (err) {
              return retry$1(policy, request, response, retryData, err);
          }
      }
      else if (isAborted || requestError || !response) {
          // If the operation failed in the end, return all errors instead of just the last one
          const err = retryData.error ||
              new RestError("Failed to send the request.", RestError.REQUEST_SEND_ERROR, response && response.status, response && response.request, response);
          throw err;
      }
      else {
          return response;
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Creates a policy that logs information about the outgoing request and the incoming responses.
   * @param loggingOptions - Logging options.
   * @returns An instance of the {@link LogPolicy}
   */
  function logPolicy(loggingOptions = {}) {
      return {
          create: (nextPolicy, options) => {
              return new LogPolicy(nextPolicy, options, loggingOptions);
          },
      };
  }
  /**
   * A policy that logs information about the outgoing request and the incoming responses.
   */
  class LogPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, options, { logger: logger$1 = logger.info, allowedHeaderNames = [], allowedQueryParameters = [], } = {}) {
          super(nextPolicy, options);
          this.logger = logger$1;
          this.sanitizer = new Sanitizer({ allowedHeaderNames, allowedQueryParameters });
      }
      /**
       * Header names whose values will be logged when logging is enabled. Defaults to
       * Date, traceparent, x-ms-client-request-id, and x-ms-request id.  Any headers
       * specified in this field will be added to that list.  Any other values will
       * be written to logs as "REDACTED".
       * @deprecated Pass these into the constructor instead.
       */
      get allowedHeaderNames() {
          return this.sanitizer.allowedHeaderNames;
      }
      /**
       * Header names whose values will be logged when logging is enabled. Defaults to
       * Date, traceparent, x-ms-client-request-id, and x-ms-request id.  Any headers
       * specified in this field will be added to that list.  Any other values will
       * be written to logs as "REDACTED".
       * @deprecated Pass these into the constructor instead.
       */
      set allowedHeaderNames(allowedHeaderNames) {
          this.sanitizer.allowedHeaderNames = allowedHeaderNames;
      }
      /**
       * Query string names whose values will be logged when logging is enabled. By default no
       * query string values are logged.
       * @deprecated Pass these into the constructor instead.
       */
      get allowedQueryParameters() {
          return this.sanitizer.allowedQueryParameters;
      }
      /**
       * Query string names whose values will be logged when logging is enabled. By default no
       * query string values are logged.
       * @deprecated Pass these into the constructor instead.
       */
      set allowedQueryParameters(allowedQueryParameters) {
          this.sanitizer.allowedQueryParameters = allowedQueryParameters;
      }
      sendRequest(request) {
          if (!this.logger.enabled)
              return this._nextPolicy.sendRequest(request);
          this.logRequest(request);
          return this._nextPolicy.sendRequest(request).then((response) => this.logResponse(response));
      }
      logRequest(request) {
          this.logger(`Request: ${this.sanitizer.sanitize(request)}`);
      }
      logResponse(response) {
          this.logger(`Response status code: ${response.status}`);
          this.logger(`Headers: ${this.sanitizer.sanitize(response.headers)}`);
          return response;
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * Get the path to this parameter's value as a dotted string (a.b.c).
   * @param parameter - The parameter to get the path string for.
   * @returns The path to this parameter's value as a dotted string.
   */
  function getPathStringFromParameter(parameter) {
      return getPathStringFromParameterPath(parameter.parameterPath, parameter.mapper);
  }
  function getPathStringFromParameterPath(parameterPath, mapper) {
      let result;
      if (typeof parameterPath === "string") {
          result = parameterPath;
      }
      else if (Array.isArray(parameterPath)) {
          result = parameterPath.join(".");
      }
      else {
          result = mapper.serializedName;
      }
      return result;
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Gets the list of status codes for streaming responses.
   * @internal
   */
  function getStreamResponseStatusCodes(operationSpec) {
      const result = new Set();
      for (const statusCode in operationSpec.responses) {
          const operationResponse = operationSpec.responses[statusCode];
          if (operationResponse.bodyMapper &&
              operationResponse.bodyMapper.type.name === MapperType.Stream) {
              result.add(Number(statusCode));
          }
      }
      return result;
  }
  
  // Copyright (c) Microsoft Corporation.
  function getDefaultUserAgentKey() {
      return Constants.HeaderConstants.USER_AGENT;
  }
  function getPlatformSpecificData() {
      const runtimeInfo = {
          key: "Node",
          value: process.version,
      };
      const osInfo = {
          key: "OS",
          value: `(${os__namespace.arch()}-${os__namespace.type()}-${os__namespace.release()})`,
      };
      return [runtimeInfo, osInfo];
  }
  
  // Copyright (c) Microsoft Corporation.
  function getRuntimeInfo() {
      const msRestRuntime = {
          key: "core-http",
          value: Constants.coreHttpVersion,
      };
      return [msRestRuntime];
  }
  function getUserAgentString(telemetryInfo, keySeparator = " ", valueSeparator = "/") {
      return telemetryInfo
          .map((info) => {
          const value = info.value ? `${valueSeparator}${info.value}` : "";
          return `${info.key}${value}`;
      })
          .join(keySeparator);
  }
  const getDefaultUserAgentHeaderName = getDefaultUserAgentKey;
  /**
   * The default approach to generate user agents.
   * Uses static information from this package, plus system information available from the runtime.
   */
  function getDefaultUserAgentValue() {
      const runtimeInfo = getRuntimeInfo();
      const platformSpecificData = getPlatformSpecificData();
      const userAgent = getUserAgentString(runtimeInfo.concat(platformSpecificData));
      return userAgent;
  }
  /**
   * Returns a policy that adds the user agent header to outgoing requests based on the given {@link TelemetryInfo}.
   * @param userAgentData - Telemetry information.
   * @returns A new {@link UserAgentPolicy}.
   */
  function userAgentPolicy(userAgentData) {
      const key = !userAgentData || userAgentData.key === undefined || userAgentData.key === null
          ? getDefaultUserAgentKey()
          : userAgentData.key;
      const value = !userAgentData || userAgentData.value === undefined || userAgentData.value === null
          ? getDefaultUserAgentValue()
          : userAgentData.value;
      return {
          create: (nextPolicy, options) => {
              return new UserAgentPolicy(nextPolicy, options, key, value);
          },
      };
  }
  /**
   * A policy that adds the user agent header to outgoing requests based on the given {@link TelemetryInfo}.
   */
  class UserAgentPolicy extends BaseRequestPolicy {
      constructor(_nextPolicy, _options, headerKey, headerValue) {
          super(_nextPolicy, _options);
          this._nextPolicy = _nextPolicy;
          this._options = _options;
          this.headerKey = headerKey;
          this.headerValue = headerValue;
      }
      sendRequest(request) {
          this.addUserAgentHeader(request);
          return this._nextPolicy.sendRequest(request);
      }
      /**
       * Adds the user agent header to the outgoing request.
       */
      addUserAgentHeader(request) {
          if (!request.headers) {
              request.headers = new HttpHeaders();
          }
          if (!request.headers.get(this.headerKey) && this.headerValue) {
              request.headers.set(this.headerKey, this.headerValue);
          }
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * The format that will be used to join an array of values together for a query parameter value.
   */
  exports.QueryCollectionFormat = void 0;
  (function (QueryCollectionFormat) {
      /**
       * CSV: Each pair of segments joined by a single comma.
       */
      QueryCollectionFormat["Csv"] = ",";
      /**
       * SSV: Each pair of segments joined by a single space character.
       */
      QueryCollectionFormat["Ssv"] = " ";
      /**
       * TSV: Each pair of segments joined by a single tab character.
       */
      QueryCollectionFormat["Tsv"] = "\t";
      /**
       * Pipes: Each pair of segments joined by a single pipe character.
       */
      QueryCollectionFormat["Pipes"] = "|";
      /**
       * Denotes this is an array of values that should be passed to the server in multiple key/value pairs, e.g. `?queryParam=value1&queryParam=value2`
       */
      QueryCollectionFormat["Multi"] = "Multi";
  })(exports.QueryCollectionFormat || (exports.QueryCollectionFormat = {}));
  
  // Copyright (c) Microsoft Corporation.
  // Default options for the cycler if none are provided
  const DEFAULT_CYCLER_OPTIONS = {
      forcedRefreshWindowInMs: 1000,
      retryIntervalInMs: 3000,
      refreshWindowInMs: 1000 * 60 * 2, // Start refreshing 2m before expiry
  };
  /**
   * Converts an an unreliable access token getter (which may resolve with null)
   * into an AccessTokenGetter by retrying the unreliable getter in a regular
   * interval.
   *
   * @param getAccessToken - a function that produces a promise of an access
   * token that may fail by returning null
   * @param retryIntervalInMs - the time (in milliseconds) to wait between retry
   * attempts
   * @param timeoutInMs - the timestamp after which the refresh attempt will fail,
   * throwing an exception
   * @returns - a promise that, if it resolves, will resolve with an access token
   */
  async function beginRefresh(getAccessToken, retryIntervalInMs, timeoutInMs) {
      // This wrapper handles exceptions gracefully as long as we haven't exceeded
      // the timeout.
      async function tryGetAccessToken() {
          if (Date.now() < timeoutInMs) {
              try {
                  return await getAccessToken();
              }
              catch (_a) {
                  return null;
              }
          }
          else {
              const finalToken = await getAccessToken();
              // Timeout is up, so throw if it's still null
              if (finalToken === null) {
                  throw new Error("Failed to refresh access token.");
              }
              return finalToken;
          }
      }
      let token = await tryGetAccessToken();
      while (token === null) {
          await delay(retryIntervalInMs);
          token = await tryGetAccessToken();
      }
      return token;
  }
  /**
   * Creates a token cycler from a credential, scopes, and optional settings.
   *
   * A token cycler represents a way to reliably retrieve a valid access token
   * from a TokenCredential. It will handle initializing the token, refreshing it
   * when it nears expiration, and synchronizes refresh attempts to avoid
   * concurrency hazards.
   *
   * @param credential - the underlying TokenCredential that provides the access
   * token
   * @param scopes - the scopes to request authorization for
   * @param tokenCyclerOptions - optionally override default settings for the cycler
   *
   * @returns - a function that reliably produces a valid access token
   */
  function createTokenCycler(credential, scopes, tokenCyclerOptions) {
      let refreshWorker = null;
      let token = null;
      const options = Object.assign(Object.assign({}, DEFAULT_CYCLER_OPTIONS), tokenCyclerOptions);
      /**
       * This little holder defines several predicates that we use to construct
       * the rules of refreshing the token.
       */
      const cycler = {
          /**
           * Produces true if a refresh job is currently in progress.
           */
          get isRefreshing() {
              return refreshWorker !== null;
          },
          /**
           * Produces true if the cycler SHOULD refresh (we are within the refresh
           * window and not already refreshing)
           */
          get shouldRefresh() {
              var _a;
              return (!cycler.isRefreshing &&
                  ((_a = token === null || token === void 0 ? void 0 : token.expiresOnTimestamp) !== null && _a !== void 0 ? _a : 0) - options.refreshWindowInMs < Date.now());
          },
          /**
           * Produces true if the cycler MUST refresh (null or nearly-expired
           * token).
           */
          get mustRefresh() {
              return (token === null || token.expiresOnTimestamp - options.forcedRefreshWindowInMs < Date.now());
          },
      };
      /**
       * Starts a refresh job or returns the existing job if one is already
       * running.
       */
      function refresh(getTokenOptions) {
          var _a;
          if (!cycler.isRefreshing) {
              // We bind `scopes` here to avoid passing it around a lot
              const tryGetAccessToken = () => credential.getToken(scopes, getTokenOptions);
              // Take advantage of promise chaining to insert an assignment to `token`
              // before the refresh can be considered done.
              refreshWorker = beginRefresh(tryGetAccessToken, options.retryIntervalInMs, 
              // If we don't have a token, then we should timeout immediately
              (_a = token === null || token === void 0 ? void 0 : token.expiresOnTimestamp) !== null && _a !== void 0 ? _a : Date.now())
                  .then((_token) => {
                  refreshWorker = null;
                  token = _token;
                  return token;
              })
                  .catch((reason) => {
                  // We also should reset the refresher if we enter a failed state.  All
                  // existing awaiters will throw, but subsequent requests will start a
                  // new retry chain.
                  refreshWorker = null;
                  token = null;
                  throw reason;
              });
          }
          return refreshWorker;
      }
      return async (tokenOptions) => {
          //
          // Simple rules:
          // - If we MUST refresh, then return the refresh task, blocking
          //   the pipeline until a token is available.
          // - If we SHOULD refresh, then run refresh but don't return it
          //   (we can still use the cached token).
          // - Return the token, since it's fine if we didn't return in
          //   step 1.
          //
          if (cycler.mustRefresh)
              return refresh(tokenOptions);
          if (cycler.shouldRefresh) {
              refresh(tokenOptions);
          }
          return token;
      };
  }
  // #endregion
  /**
   * Creates a new factory for a RequestPolicy that applies a bearer token to
   * the requests' `Authorization` headers.
   *
   * @param credential - The TokenCredential implementation that can supply the bearer token.
   * @param scopes - The scopes for which the bearer token applies.
   */
  function bearerTokenAuthenticationPolicy(credential, scopes) {
      // This simple function encapsulates the entire process of reliably retrieving the token
      const getToken = createTokenCycler(credential, scopes /* , options */);
      class BearerTokenAuthenticationPolicy extends BaseRequestPolicy {
          constructor(nextPolicy, options) {
              super(nextPolicy, options);
          }
          async sendRequest(webResource) {
              if (!webResource.url.toLowerCase().startsWith("https://")) {
                  throw new Error("Bearer token authentication is not permitted for non-TLS protected (non-https) URLs.");
              }
              const { token } = await getToken({
                  abortSignal: webResource.abortSignal,
                  tracingOptions: {
                      tracingContext: webResource.tracingContext,
                  },
              });
              webResource.headers.set(Constants.HeaderConstants.AUTHORIZATION, `Bearer ${token}`);
              return this._nextPolicy.sendRequest(webResource);
          }
      }
      return {
          create: (nextPolicy, options) => {
              return new BearerTokenAuthenticationPolicy(nextPolicy, options);
          },
      };
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Returns a request policy factory that can be used to create an instance of
   * {@link DisableResponseDecompressionPolicy}.
   */
  function disableResponseDecompressionPolicy() {
      return {
          create: (nextPolicy, options) => {
              return new DisableResponseDecompressionPolicy(nextPolicy, options);
          },
      };
  }
  /**
   * A policy to disable response decompression according to Accept-Encoding header
   * https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Accept-Encoding
   */
  class DisableResponseDecompressionPolicy extends BaseRequestPolicy {
      /**
       * Creates an instance of DisableResponseDecompressionPolicy.
       *
       * @param nextPolicy -
       * @param options -
       */
      // The parent constructor is protected.
      /* eslint-disable-next-line @typescript-eslint/no-useless-constructor */
      constructor(nextPolicy, options) {
          super(nextPolicy, options);
      }
      /**
       * Sends out request.
       *
       * @param request -
       * @returns
       */
      async sendRequest(request) {
          request.decompressResponse = false;
          return this._nextPolicy.sendRequest(request);
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Creates a policy that assigns a unique request id to outgoing requests.
   * @param requestIdHeaderName - The name of the header to use when assigning the unique id to the request.
   */
  function generateClientRequestIdPolicy(requestIdHeaderName = "x-ms-client-request-id") {
      return {
          create: (nextPolicy, options) => {
              return new GenerateClientRequestIdPolicy(nextPolicy, options, requestIdHeaderName);
          },
      };
  }
  class GenerateClientRequestIdPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, options, _requestIdHeaderName) {
          super(nextPolicy, options);
          this._requestIdHeaderName = _requestIdHeaderName;
      }
      sendRequest(request) {
          if (!request.headers.contains(this._requestIdHeaderName)) {
              request.headers.set(this._requestIdHeaderName, request.requestId);
          }
          return this._nextPolicy.sendRequest(request);
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  let cachedHttpClient;
  function getCachedDefaultHttpClient() {
      if (!cachedHttpClient) {
          cachedHttpClient = new NodeFetchHttpClient();
      }
      return cachedHttpClient;
  }
  
  // Copyright (c) Microsoft Corporation.
  function ndJsonPolicy() {
      return {
          create: (nextPolicy, options) => {
              return new NdJsonPolicy(nextPolicy, options);
          },
      };
  }
  /**
   * NdJsonPolicy that formats a JSON array as newline-delimited JSON
   */
  class NdJsonPolicy extends BaseRequestPolicy {
      /**
       * Creates an instance of KeepAlivePolicy.
       */
      constructor(nextPolicy, options) {
          super(nextPolicy, options);
      }
      /**
       * Sends a request.
       */
      async sendRequest(request) {
          // There currently isn't a good way to bypass the serializer
          if (typeof request.body === "string" && request.body.startsWith("[")) {
              const body = JSON.parse(request.body);
              if (Array.isArray(body)) {
                  request.body = body.map((item) => JSON.stringify(item) + "\n").join("");
              }
          }
          return this._nextPolicy.sendRequest(request);
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Stores the patterns specified in NO_PROXY environment variable.
   * @internal
   */
  const globalNoProxyList = [];
  let noProxyListLoaded = false;
  /** A cache of whether a host should bypass the proxy. */
  const globalBypassedMap = new Map();
  function loadEnvironmentProxyValue() {
      if (!process) {
          return undefined;
      }
      const httpsProxy = getEnvironmentValue(Constants.HTTPS_PROXY);
      const allProxy = getEnvironmentValue(Constants.ALL_PROXY);
      const httpProxy = getEnvironmentValue(Constants.HTTP_PROXY);
      return httpsProxy || allProxy || httpProxy;
  }
  /**
   * Check whether the host of a given `uri` matches any pattern in the no proxy list.
   * If there's a match, any request sent to the same host shouldn't have the proxy settings set.
   * This implementation is a port of https://github.com/Azure/azure-sdk-for-net/blob/8cca811371159e527159c7eb65602477898683e2/sdk/core/Azure.Core/src/Pipeline/Internal/HttpEnvironmentProxy.cs#L210
   */
  function isBypassed(uri, noProxyList, bypassedMap) {
      if (noProxyList.length === 0) {
          return false;
      }
      const host = URLBuilder.parse(uri).getHost();
      if (bypassedMap === null || bypassedMap === void 0 ? void 0 : bypassedMap.has(host)) {
          return bypassedMap.get(host);
      }
      let isBypassedFlag = false;
      for (const pattern of noProxyList) {
          if (pattern[0] === ".") {
              // This should match either domain it self or any subdomain or host
              // .foo.com will match foo.com it self or *.foo.com
              if (host.endsWith(pattern)) {
                  isBypassedFlag = true;
              }
              else {
                  if (host.length === pattern.length - 1 && host === pattern.slice(1)) {
                      isBypassedFlag = true;
                  }
              }
          }
          else {
              if (host === pattern) {
                  isBypassedFlag = true;
              }
          }
      }
      bypassedMap === null || bypassedMap === void 0 ? void 0 : bypassedMap.set(host, isBypassedFlag);
      return isBypassedFlag;
  }
  /**
   * @internal
   */
  function loadNoProxy() {
      const noProxy = getEnvironmentValue(Constants.NO_PROXY);
      noProxyListLoaded = true;
      if (noProxy) {
          return noProxy
              .split(",")
              .map((item) => item.trim())
              .filter((item) => item.length);
      }
      return [];
  }
  /**
   * Converts a given URL of a proxy server into `ProxySettings` or attempts to retrieve `ProxySettings` from the current environment if one is not passed.
   * @param proxyUrl - URL of the proxy
   * @returns The default proxy settings, or undefined.
   */
  function getDefaultProxySettings(proxyUrl) {
      if (!proxyUrl) {
          proxyUrl = loadEnvironmentProxyValue();
          if (!proxyUrl) {
              return undefined;
          }
      }
      const { username, password, urlWithoutAuth } = extractAuthFromUrl(proxyUrl);
      const parsedUrl = URLBuilder.parse(urlWithoutAuth);
      const schema = parsedUrl.getScheme() ? parsedUrl.getScheme() + "://" : "";
      return {
          host: schema + parsedUrl.getHost(),
          port: Number.parseInt(parsedUrl.getPort() || "80"),
          username,
          password,
      };
  }
  /**
   * A policy that allows one to apply proxy settings to all requests.
   * If not passed static settings, they will be retrieved from the HTTPS_PROXY
   * or HTTP_PROXY environment variables.
   * @param proxySettings - ProxySettings to use on each request.
   * @param options - additional settings, for example, custom NO_PROXY patterns
   */
  function proxyPolicy(proxySettings, options) {
      if (!proxySettings) {
          proxySettings = getDefaultProxySettings();
      }
      if (!noProxyListLoaded) {
          globalNoProxyList.push(...loadNoProxy());
      }
      return {
          create: (nextPolicy, requestPolicyOptions) => {
              return new ProxyPolicy(nextPolicy, requestPolicyOptions, proxySettings, options === null || options === void 0 ? void 0 : options.customNoProxyList);
          },
      };
  }
  function extractAuthFromUrl(url) {
      const atIndex = url.indexOf("@");
      if (atIndex === -1) {
          return { urlWithoutAuth: url };
      }
      const schemeIndex = url.indexOf("://");
      const authStart = schemeIndex !== -1 ? schemeIndex + 3 : 0;
      const auth = url.substring(authStart, atIndex);
      const colonIndex = auth.indexOf(":");
      const hasPassword = colonIndex !== -1;
      const username = hasPassword ? auth.substring(0, colonIndex) : auth;
      const password = hasPassword ? auth.substring(colonIndex + 1) : undefined;
      const urlWithoutAuth = url.substring(0, authStart) + url.substring(atIndex + 1);
      return {
          username,
          password,
          urlWithoutAuth,
      };
  }
  class ProxyPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, options, proxySettings, customNoProxyList) {
          super(nextPolicy, options);
          this.proxySettings = proxySettings;
          this.customNoProxyList = customNoProxyList;
      }
      sendRequest(request) {
          var _a;
          if (!request.proxySettings &&
              !isBypassed(request.url, (_a = this.customNoProxyList) !== null && _a !== void 0 ? _a : globalNoProxyList, this.customNoProxyList ? undefined : globalBypassedMap)) {
              request.proxySettings = this.proxySettings;
          }
          return this._nextPolicy.sendRequest(request);
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  function rpRegistrationPolicy(retryTimeout = 30) {
      return {
          create: (nextPolicy, options) => {
              return new RPRegistrationPolicy(nextPolicy, options, retryTimeout);
          },
      };
  }
  class RPRegistrationPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, options, _retryTimeout = 30) {
          super(nextPolicy, options);
          this._retryTimeout = _retryTimeout;
      }
      sendRequest(request) {
          return this._nextPolicy
              .sendRequest(request.clone())
              .then((response) => registerIfNeeded(this, request, response));
      }
  }
  function registerIfNeeded(policy, request, response) {
      if (response.status === 409) {
          const rpName = checkRPNotRegisteredError(response.bodyAsText);
          if (rpName) {
              const urlPrefix = extractSubscriptionUrl(request.url);
              return (registerRP(policy, urlPrefix, rpName, request)
                  // Autoregistration of ${provider} failed for some reason. We will not return this error
                  // instead will return the initial response with 409 status code back to the user.
                  // do nothing here as we are returning the original response at the end of this method.
                  .catch(() => false)
                  .then((registrationStatus) => {
                  if (registrationStatus) {
                      // Retry the original request. We have to change the x-ms-client-request-id
                      // otherwise Azure endpoint will return the initial 409 (cached) response.
                      request.headers.set("x-ms-client-request-id", generateUuid());
                      return policy._nextPolicy.sendRequest(request.clone());
                  }
                  return response;
              }));
          }
      }
      return Promise.resolve(response);
  }
  /**
   * Reuses the headers of the original request and url (if specified).
   * @param originalRequest - The original request
   * @param reuseUrlToo - Should the url from the original request be reused as well. Default false.
   * @returns A new request object with desired headers.
   */
  function getRequestEssentials(originalRequest, reuseUrlToo = false) {
      const reqOptions = originalRequest.clone();
      if (reuseUrlToo) {
          reqOptions.url = originalRequest.url;
      }
      // We have to change the x-ms-client-request-id otherwise Azure endpoint
      // will return the initial 409 (cached) response.
      reqOptions.headers.set("x-ms-client-request-id", generateUuid());
      // Set content-type to application/json
      reqOptions.headers.set("Content-Type", "application/json; charset=utf-8");
      return reqOptions;
  }
  /**
   * Validates the error code and message associated with 409 response status code. If it matches to that of
   * RP not registered then it returns the name of the RP else returns undefined.
   * @param body - The response body received after making the original request.
   * @returns The name of the RP if condition is satisfied else undefined.
   */
  function checkRPNotRegisteredError(body) {
      let result, responseBody;
      if (body) {
          try {
              responseBody = JSON.parse(body);
          }
          catch (err) {
              // do nothing;
          }
          if (responseBody &&
              responseBody.error &&
              responseBody.error.message &&
              responseBody.error.code &&
              responseBody.error.code === "MissingSubscriptionRegistration") {
              const matchRes = responseBody.error.message.match(/.*'(.*)'/i);
              if (matchRes) {
                  result = matchRes.pop();
              }
          }
      }
      return result;
  }
  /**
   * Extracts the first part of the URL, just after subscription:
   * https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/
   * @param url - The original request url
   * @returns The url prefix as explained above.
   */
  function extractSubscriptionUrl(url) {
      let result;
      const matchRes = url.match(/.*\/subscriptions\/[a-f0-9-]+\//gi);
      if (matchRes && matchRes[0]) {
          result = matchRes[0];
      }
      else {
          throw new Error(`Unable to extract subscriptionId from the given url - ${url}.`);
      }
      return result;
  }
  /**
   * Registers the given provider.
   * @param policy - The RPRegistrationPolicy this function is being called against.
   * @param urlPrefix - https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/
   * @param provider - The provider name to be registered.
   * @param originalRequest - The original request sent by the user that returned a 409 response
   * with a message that the provider is not registered.
   */
  async function registerRP(policy, urlPrefix, provider, originalRequest) {
      const postUrl = `${urlPrefix}providers/${provider}/register?api-version=2016-02-01`;
      const getUrl = `${urlPrefix}providers/${provider}?api-version=2016-02-01`;
      const reqOptions = getRequestEssentials(originalRequest);
      reqOptions.method = "POST";
      reqOptions.url = postUrl;
      const response = await policy._nextPolicy.sendRequest(reqOptions);
      if (response.status !== 200) {
          throw new Error(`Autoregistration of ${provider} failed. Please try registering manually.`);
      }
      return getRegistrationStatus(policy, getUrl, originalRequest);
  }
  /**
   * Polls the registration status of the provider that was registered. Polling happens at an interval of 30 seconds.
   * Polling will happen till the registrationState property of the response body is "Registered".
   * @param policy - The RPRegistrationPolicy this function is being called against.
   * @param url - The request url for polling
   * @param originalRequest - The original request sent by the user that returned a 409 response
   * with a message that the provider is not registered.
   * @returns True if RP Registration is successful.
   */
  async function getRegistrationStatus(policy, url, originalRequest) {
      const reqOptions = getRequestEssentials(originalRequest);
      reqOptions.url = url;
      reqOptions.method = "GET";
      const res = await policy._nextPolicy.sendRequest(reqOptions);
      const obj = res.parsedBody;
      if (res.parsedBody && obj.registrationState && obj.registrationState === "Registered") {
          return true;
      }
      else {
          await delay(policy._retryTimeout * 1000);
          return getRegistrationStatus(policy, url, originalRequest);
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Creates a policy that signs outgoing requests by calling to the provided `authenticationProvider`'s `signRequest` method.
   * @param authenticationProvider - The authentication provider.
   * @returns An instance of the {@link SigningPolicy}.
   */
  function signingPolicy(authenticationProvider) {
      return {
          create: (nextPolicy, options) => {
              return new SigningPolicy(nextPolicy, options, authenticationProvider);
          },
      };
  }
  /**
   * A policy that signs outgoing requests by calling to the provided `authenticationProvider`'s `signRequest` method.
   */
  class SigningPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, options, authenticationProvider) {
          super(nextPolicy, options);
          this.authenticationProvider = authenticationProvider;
      }
      signRequest(request) {
          return this.authenticationProvider.signRequest(request);
      }
      sendRequest(request) {
          return this.signRequest(request).then((nextRequest) => this._nextPolicy.sendRequest(nextRequest));
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * A policy that retries when there's a system error, identified by the codes "ETIMEDOUT", "ESOCKETTIMEDOUT", "ECONNREFUSED", "ECONNRESET" or "ENOENT".
   * @param retryCount - Maximum number of retries.
   * @param retryInterval - The client retry interval, in milliseconds.
   * @param minRetryInterval - The minimum retry interval, in milliseconds.
   * @param maxRetryInterval - The maximum retry interval, in milliseconds.
   * @returns An instance of the {@link SystemErrorRetryPolicy}
   */
  function systemErrorRetryPolicy(retryCount, retryInterval, minRetryInterval, maxRetryInterval) {
      return {
          create: (nextPolicy, options) => {
              return new SystemErrorRetryPolicy(nextPolicy, options, retryCount, retryInterval, minRetryInterval, maxRetryInterval);
          },
      };
  }
  /**
   * A policy that retries when there's a system error, identified by the codes "ETIMEDOUT", "ESOCKETTIMEDOUT", "ECONNREFUSED", "ECONNRESET" or "ENOENT".
   * @param retryCount - The client retry count.
   * @param retryInterval - The client retry interval, in milliseconds.
   * @param minRetryInterval - The minimum retry interval, in milliseconds.
   * @param maxRetryInterval - The maximum retry interval, in milliseconds.
   */
  class SystemErrorRetryPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, options, retryCount, retryInterval, minRetryInterval, maxRetryInterval) {
          super(nextPolicy, options);
          this.retryCount = isNumber(retryCount) ? retryCount : DEFAULT_CLIENT_RETRY_COUNT;
          this.retryInterval = isNumber(retryInterval) ? retryInterval : DEFAULT_CLIENT_RETRY_INTERVAL;
          this.minRetryInterval = isNumber(minRetryInterval)
              ? minRetryInterval
              : DEFAULT_CLIENT_MIN_RETRY_INTERVAL;
          this.maxRetryInterval = isNumber(maxRetryInterval)
              ? maxRetryInterval
              : DEFAULT_CLIENT_MAX_RETRY_INTERVAL;
      }
      sendRequest(request) {
          return this._nextPolicy
              .sendRequest(request.clone())
              .catch((error) => retry(this, request, error.response, error));
      }
  }
  async function retry(policy, request, operationResponse, err, retryData) {
      retryData = updateRetryData(policy, retryData, err);
      function shouldPolicyRetry(_response, error) {
          if (error &&
              error.code &&
              (error.code === "ETIMEDOUT" ||
                  error.code === "ESOCKETTIMEDOUT" ||
                  error.code === "ECONNREFUSED" ||
                  error.code === "ECONNRESET" ||
                  error.code === "ENOENT")) {
              return true;
          }
          return false;
      }
      if (shouldRetry(policy.retryCount, shouldPolicyRetry, retryData, operationResponse, err)) {
          // If previous operation ended with an error and the policy allows a retry, do that
          try {
              await delay(retryData.retryInterval);
              return policy._nextPolicy.sendRequest(request.clone());
          }
          catch (nestedErr) {
              return retry(policy, request, operationResponse, nestedErr, retryData);
          }
      }
      else {
          if (err) {
              // If the operation failed in the end, return all errors instead of just the last one
              return Promise.reject(retryData.error);
          }
          return operationResponse;
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * Maximum number of retries for the throttling retry policy
   */
  const DEFAULT_CLIENT_MAX_RETRY_COUNT = 3;
  
  // Copyright (c) Microsoft Corporation.
  const StatusCodes = Constants.HttpConstants.StatusCodes;
  /**
   * Creates a policy that re-sends the request if the response indicates the request failed because of throttling reasons.
   * For example, if the response contains a `Retry-After` header, it will retry sending the request based on the value of that header.
   *
   * To learn more, please refer to
   * https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-manager-request-limits,
   * https://docs.microsoft.com/en-us/azure/azure-subscription-service-limits and
   * https://docs.microsoft.com/en-us/azure/virtual-machines/troubleshooting/troubleshooting-throttling-errors
   * @returns
   */
  function throttlingRetryPolicy() {
      return {
          create: (nextPolicy, options) => {
              return new ThrottlingRetryPolicy(nextPolicy, options);
          },
      };
  }
  const StandardAbortMessage = "The operation was aborted.";
  /**
   * Creates a policy that re-sends the request if the response indicates the request failed because of throttling reasons.
   * For example, if the response contains a `Retry-After` header, it will retry sending the request based on the value of that header.
   *
   * To learn more, please refer to
   * https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-manager-request-limits,
   * https://docs.microsoft.com/en-us/azure/azure-subscription-service-limits and
   * https://docs.microsoft.com/en-us/azure/virtual-machines/troubleshooting/troubleshooting-throttling-errors
   */
  class ThrottlingRetryPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, options, _handleResponse) {
          super(nextPolicy, options);
          this.numberOfRetries = 0;
          this._handleResponse = _handleResponse || this._defaultResponseHandler;
      }
      async sendRequest(httpRequest) {
          const response = await this._nextPolicy.sendRequest(httpRequest.clone());
          if (response.status !== StatusCodes.TooManyRequests &&
              response.status !== StatusCodes.ServiceUnavailable) {
              return response;
          }
          else {
              return this._handleResponse(httpRequest, response);
          }
      }
      async _defaultResponseHandler(httpRequest, httpResponse) {
          var _a;
          const retryAfterHeader = httpResponse.headers.get(Constants.HeaderConstants.RETRY_AFTER);
          if (retryAfterHeader) {
              const delayInMs = ThrottlingRetryPolicy.parseRetryAfterHeader(retryAfterHeader);
              if (delayInMs) {
                  this.numberOfRetries += 1;
                  await delay(delayInMs, undefined, {
                      abortSignal: httpRequest.abortSignal,
                      abortErrorMsg: StandardAbortMessage,
                  });
                  if ((_a = httpRequest.abortSignal) === null || _a === void 0 ? void 0 : _a.aborted) {
                      throw new abortController.AbortError(StandardAbortMessage);
                  }
                  if (this.numberOfRetries < DEFAULT_CLIENT_MAX_RETRY_COUNT) {
                      return this.sendRequest(httpRequest);
                  }
                  else {
                      return this._nextPolicy.sendRequest(httpRequest);
                  }
              }
          }
          return httpResponse;
      }
      static parseRetryAfterHeader(headerValue) {
          const retryAfterInSeconds = Number(headerValue);
          if (Number.isNaN(retryAfterInSeconds)) {
              return ThrottlingRetryPolicy.parseDateRetryAfterHeader(headerValue);
          }
          else {
              return retryAfterInSeconds * 1000;
          }
      }
      static parseDateRetryAfterHeader(headerValue) {
          try {
              const now = Date.now();
              const date = Date.parse(headerValue);
              const diff = date - now;
              return Number.isNaN(diff) ? undefined : diff;
          }
          catch (error) {
              return undefined;
          }
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  const createSpan = coreTracing.createSpanFunction({
      packagePrefix: "",
      namespace: "",
  });
  /**
   * Creates a policy that wraps outgoing requests with a tracing span.
   * @param tracingOptions - Tracing options.
   * @returns An instance of the {@link TracingPolicy} class.
   */
  function tracingPolicy(tracingOptions = {}) {
      return {
          create(nextPolicy, options) {
              return new TracingPolicy(nextPolicy, options, tracingOptions);
          },
      };
  }
  /**
   * A policy that wraps outgoing requests with a tracing span.
   */
  class TracingPolicy extends BaseRequestPolicy {
      constructor(nextPolicy, options, tracingOptions) {
          super(nextPolicy, options);
          this.userAgent = tracingOptions.userAgent;
      }
      async sendRequest(request) {
          if (!request.tracingContext) {
              return this._nextPolicy.sendRequest(request);
          }
          const span = this.tryCreateSpan(request);
          if (!span) {
              return this._nextPolicy.sendRequest(request);
          }
          try {
              const response = await this._nextPolicy.sendRequest(request);
              this.tryProcessResponse(span, response);
              return response;
          }
          catch (err) {
              this.tryProcessError(span, err);
              throw err;
          }
      }
      tryCreateSpan(request) {
          var _a;
          try {
              // Passing spanOptions as part of tracingOptions to maintain compatibility @azure/core-tracing@preview.13 and earlier.
              // We can pass this as a separate parameter once we upgrade to the latest core-tracing.
              const { span } = createSpan(`HTTP ${request.method}`, {
                  tracingOptions: {
                      spanOptions: Object.assign(Object.assign({}, request.spanOptions), { kind: coreTracing.SpanKind.CLIENT }),
                      tracingContext: request.tracingContext,
                  },
              });
              // If the span is not recording, don't do any more work.
              if (!span.isRecording()) {
                  span.end();
                  return undefined;
              }
              const namespaceFromContext = (_a = request.tracingContext) === null || _a === void 0 ? void 0 : _a.getValue(Symbol.for("az.namespace"));
              if (typeof namespaceFromContext === "string") {
                  span.setAttribute("az.namespace", namespaceFromContext);
              }
              span.setAttributes({
                  "http.method": request.method,
                  "http.url": request.url,
                  requestId: request.requestId,
              });
              if (this.userAgent) {
                  span.setAttribute("http.user_agent", this.userAgent);
              }
              // set headers
              const spanContext = span.spanContext();
              const traceParentHeader = coreTracing.getTraceParentHeader(spanContext);
              if (traceParentHeader && coreTracing.isSpanContextValid(spanContext)) {
                  request.headers.set("traceparent", traceParentHeader);
                  const traceState = spanContext.traceState && spanContext.traceState.serialize();
                  // if tracestate is set, traceparent MUST be set, so only set tracestate after traceparent
                  if (traceState) {
                      request.headers.set("tracestate", traceState);
                  }
              }
              return span;
          }
          catch (error) {
              logger.warning(`Skipping creating a tracing span due to an error: ${error.message}`);
              return undefined;
          }
      }
      tryProcessError(span, err) {
          try {
              span.setStatus({
                  code: coreTracing.SpanStatusCode.ERROR,
                  message: err.message,
              });
              if (err.statusCode) {
                  span.setAttribute("http.status_code", err.statusCode);
              }
              span.end();
          }
          catch (error) {
              logger.warning(`Skipping tracing span processing due to an error: ${error.message}`);
          }
      }
      tryProcessResponse(span, response) {
          try {
              span.setAttribute("http.status_code", response.status);
              const serviceRequestId = response.headers.get("x-ms-request-id");
              if (serviceRequestId) {
                  span.setAttribute("serviceRequestId", serviceRequestId);
              }
              span.setStatus({
                  code: coreTracing.SpanStatusCode.OK,
              });
              span.end();
          }
          catch (error) {
              logger.warning(`Skipping tracing span processing due to an error: ${error.message}`);
          }
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * ServiceClient sends service requests and receives responses.
   */
  class ServiceClient {
      /**
       * The ServiceClient constructor
       * @param credentials - The credentials used for authentication with the service.
       * @param options - The service client options that govern the behavior of the client.
       */
      constructor(credentials, 
      /* eslint-disable-next-line @azure/azure-sdk/ts-naming-options */
      options) {
          if (!options) {
              options = {};
          }
          this._withCredentials = options.withCredentials || false;
          this._httpClient = options.httpClient || getCachedDefaultHttpClient();
          this._requestPolicyOptions = new RequestPolicyOptions(options.httpPipelineLogger);
          let requestPolicyFactories;
          if (Array.isArray(options.requestPolicyFactories)) {
              logger.info("ServiceClient: using custom request policies");
              requestPolicyFactories = options.requestPolicyFactories;
          }
          else {
              let authPolicyFactory = undefined;
              if (coreAuth.isTokenCredential(credentials)) {
                  logger.info("ServiceClient: creating bearer token authentication policy from provided credentials");
                  // Create a wrapped RequestPolicyFactory here so that we can provide the
                  // correct scope to the BearerTokenAuthenticationPolicy at the first time
                  // one is requested.  This is needed because generated ServiceClient
                  // implementations do not set baseUri until after ServiceClient's constructor
                  // is finished, leaving baseUri empty at the time when it is needed to
                  // build the correct scope name.
                  const wrappedPolicyFactory = () => {
                      let bearerTokenPolicyFactory = undefined;
                      // eslint-disable-next-line @typescript-eslint/no-this-alias
                      const serviceClient = this;
                      const serviceClientOptions = options;
                      return {
                          create(nextPolicy, createOptions) {
                              const credentialScopes = getCredentialScopes(serviceClientOptions, serviceClient.baseUri);
                              if (!credentialScopes) {
                                  throw new Error(`When using credential, the ServiceClient must contain a baseUri or a credentialScopes in ServiceClientOptions. Unable to create a bearerTokenAuthenticationPolicy`);
                              }
                              if (bearerTokenPolicyFactory === undefined || bearerTokenPolicyFactory === null) {
                                  bearerTokenPolicyFactory = bearerTokenAuthenticationPolicy(credentials, credentialScopes);
                              }
                              return bearerTokenPolicyFactory.create(nextPolicy, createOptions);
                          },
                      };
                  };
                  authPolicyFactory = wrappedPolicyFactory();
              }
              else if (credentials && typeof credentials.signRequest === "function") {
                  logger.info("ServiceClient: creating signing policy from provided credentials");
                  authPolicyFactory = signingPolicy(credentials);
              }
              else if (credentials !== undefined && credentials !== null) {
                  throw new Error("The credentials argument must implement the TokenCredential interface");
              }
              logger.info("ServiceClient: using default request policies");
              requestPolicyFactories = createDefaultRequestPolicyFactories(authPolicyFactory, options);
              if (options.requestPolicyFactories) {
                  // options.requestPolicyFactories can also be a function that manipulates
                  // the default requestPolicyFactories array
                  const newRequestPolicyFactories = options.requestPolicyFactories(requestPolicyFactories);
                  if (newRequestPolicyFactories) {
                      requestPolicyFactories = newRequestPolicyFactories;
                  }
              }
          }
          this._requestPolicyFactories = requestPolicyFactories;
      }
      /**
       * Send the provided httpRequest.
       */
      sendRequest(options) {
          if (options === null || options === undefined || typeof options !== "object") {
              throw new Error("options cannot be null or undefined and it must be of type object.");
          }
          let httpRequest;
          try {
              if (isWebResourceLike(options)) {
                  options.validateRequestProperties();
                  httpRequest = options;
              }
              else {
                  httpRequest = new WebResource();
                  httpRequest = httpRequest.prepare(options);
              }
          }
          catch (error) {
              return Promise.reject(error);
          }
          let httpPipeline = this._httpClient;
          if (this._requestPolicyFactories && this._requestPolicyFactories.length > 0) {
              for (let i = this._requestPolicyFactories.length - 1; i >= 0; --i) {
                  httpPipeline = this._requestPolicyFactories[i].create(httpPipeline, this._requestPolicyOptions);
              }
          }
          return httpPipeline.sendRequest(httpRequest);
      }
      /**
       * Send an HTTP request that is populated using the provided OperationSpec.
       * @param operationArguments - The arguments that the HTTP request's templated values will be populated from.
       * @param operationSpec - The OperationSpec to use to populate the httpRequest.
       * @param callback - The callback to call when the response is received.
       */
      async sendOperationRequest(operationArguments, operationSpec, callback) {
          var _a;
          if (typeof operationArguments.options === "function") {
              callback = operationArguments.options;
              operationArguments.options = undefined;
          }
          const serializerOptions = (_a = operationArguments.options) === null || _a === void 0 ? void 0 : _a.serializerOptions;
          const httpRequest = new WebResource();
          let result;
          try {
              const baseUri = operationSpec.baseUrl || this.baseUri;
              if (!baseUri) {
                  throw new Error("If operationSpec.baseUrl is not specified, then the ServiceClient must have a baseUri string property that contains the base URL to use.");
              }
              httpRequest.method = operationSpec.httpMethod;
              httpRequest.operationSpec = operationSpec;
              const requestUrl = URLBuilder.parse(baseUri);
              if (operationSpec.path) {
                  requestUrl.appendPath(operationSpec.path);
              }
              if (operationSpec.urlParameters && operationSpec.urlParameters.length > 0) {
                  for (const urlParameter of operationSpec.urlParameters) {
                      let urlParameterValue = getOperationArgumentValueFromParameter(this, operationArguments, urlParameter, operationSpec.serializer);
                      urlParameterValue = operationSpec.serializer.serialize(urlParameter.mapper, urlParameterValue, getPathStringFromParameter(urlParameter), serializerOptions);
                      if (!urlParameter.skipEncoding) {
                          urlParameterValue = encodeURIComponent(urlParameterValue);
                      }
                      requestUrl.replaceAll(`{${urlParameter.mapper.serializedName || getPathStringFromParameter(urlParameter)}}`, urlParameterValue);
                  }
              }
              if (operationSpec.queryParameters && operationSpec.queryParameters.length > 0) {
                  for (const queryParameter of operationSpec.queryParameters) {
                      let queryParameterValue = getOperationArgumentValueFromParameter(this, operationArguments, queryParameter, operationSpec.serializer);
                      if (queryParameterValue !== undefined && queryParameterValue !== null) {
                          queryParameterValue = operationSpec.serializer.serialize(queryParameter.mapper, queryParameterValue, getPathStringFromParameter(queryParameter), serializerOptions);
                          if (queryParameter.collectionFormat !== undefined &&
                              queryParameter.collectionFormat !== null) {
                              if (queryParameter.collectionFormat === exports.QueryCollectionFormat.Multi) {
                                  if (queryParameterValue.length === 0) {
                                      // The collection is empty, no need to try serializing the current queryParam
                                      continue;
                                  }
                                  else {
                                      for (const index in queryParameterValue) {
                                          const item = queryParameterValue[index];
                                          queryParameterValue[index] =
                                              item === undefined || item === null ? "" : item.toString();
                                      }
                                  }
                              }
                              else if (queryParameter.collectionFormat === exports.QueryCollectionFormat.Ssv ||
                                  queryParameter.collectionFormat === exports.QueryCollectionFormat.Tsv) {
                                  queryParameterValue = queryParameterValue.join(queryParameter.collectionFormat);
                              }
                          }
                          if (!queryParameter.skipEncoding) {
                              if (Array.isArray(queryParameterValue)) {
                                  for (const index in queryParameterValue) {
                                      if (queryParameterValue[index] !== undefined &&
                                          queryParameterValue[index] !== null) {
                                          queryParameterValue[index] = encodeURIComponent(queryParameterValue[index]);
                                      }
                                  }
                              }
                              else {
                                  queryParameterValue = encodeURIComponent(queryParameterValue);
                              }
                          }
                          if (queryParameter.collectionFormat !== undefined &&
                              queryParameter.collectionFormat !== null &&
                              queryParameter.collectionFormat !== exports.QueryCollectionFormat.Multi &&
                              queryParameter.collectionFormat !== exports.QueryCollectionFormat.Ssv &&
                              queryParameter.collectionFormat !== exports.QueryCollectionFormat.Tsv) {
                              queryParameterValue = queryParameterValue.join(queryParameter.collectionFormat);
                          }
                          requestUrl.setQueryParameter(queryParameter.mapper.serializedName || getPathStringFromParameter(queryParameter), queryParameterValue);
                      }
                  }
              }
              httpRequest.url = requestUrl.toString();
              const contentType = operationSpec.contentType || this.requestContentType;
              if (contentType && operationSpec.requestBody) {
                  httpRequest.headers.set("Content-Type", contentType);
              }
              if (operationSpec.headerParameters) {
                  for (const headerParameter of operationSpec.headerParameters) {
                      let headerValue = getOperationArgumentValueFromParameter(this, operationArguments, headerParameter, operationSpec.serializer);
                      if (headerValue !== undefined && headerValue !== null) {
                          headerValue = operationSpec.serializer.serialize(headerParameter.mapper, headerValue, getPathStringFromParameter(headerParameter), serializerOptions);
                          const headerCollectionPrefix = headerParameter.mapper
                              .headerCollectionPrefix;
                          if (headerCollectionPrefix) {
                              for (const key of Object.keys(headerValue)) {
                                  httpRequest.headers.set(headerCollectionPrefix + key, headerValue[key]);
                              }
                          }
                          else {
                              httpRequest.headers.set(headerParameter.mapper.serializedName ||
                                  getPathStringFromParameter(headerParameter), headerValue);
                          }
                      }
                  }
              }
              const options = operationArguments.options;
              if (options) {
                  if (options.customHeaders) {
                      for (const customHeaderName in options.customHeaders) {
                          httpRequest.headers.set(customHeaderName, options.customHeaders[customHeaderName]);
                      }
                  }
                  if (options.abortSignal) {
                      httpRequest.abortSignal = options.abortSignal;
                  }
                  if (options.timeout) {
                      httpRequest.timeout = options.timeout;
                  }
                  if (options.onUploadProgress) {
                      httpRequest.onUploadProgress = options.onUploadProgress;
                  }
                  if (options.onDownloadProgress) {
                      httpRequest.onDownloadProgress = options.onDownloadProgress;
                  }
                  if (options.spanOptions) {
                      // By passing spanOptions if they exist at runtime, we're backwards compatible with @azure/core-tracing@preview.13 and earlier.
                      httpRequest.spanOptions = options.spanOptions;
                  }
                  if (options.tracingContext) {
                      httpRequest.tracingContext = options.tracingContext;
                  }
                  if (options.shouldDeserialize !== undefined && options.shouldDeserialize !== null) {
                      httpRequest.shouldDeserialize = options.shouldDeserialize;
                  }
              }
              httpRequest.withCredentials = this._withCredentials;
              serializeRequestBody(this, httpRequest, operationArguments, operationSpec);
              if (httpRequest.streamResponseStatusCodes === undefined) {
                  httpRequest.streamResponseStatusCodes = getStreamResponseStatusCodes(operationSpec);
              }
              let rawResponse;
              let sendRequestError;
              try {
                  rawResponse = await this.sendRequest(httpRequest);
              }
              catch (error) {
                  sendRequestError = error;
              }
              if (sendRequestError) {
                  if (sendRequestError.response) {
                      sendRequestError.details = flattenResponse(sendRequestError.response, operationSpec.responses[sendRequestError.statusCode] ||
                          operationSpec.responses["default"]);
                  }
                  result = Promise.reject(sendRequestError);
              }
              else {
                  result = Promise.resolve(flattenResponse(rawResponse, operationSpec.responses[rawResponse.status]));
              }
          }
          catch (error) {
              result = Promise.reject(error);
          }
          const cb = callback;
          if (cb) {
              result
                  .then((res) => cb(null, res._response.parsedBody, res._response.request, res._response))
                  .catch((err) => cb(err));
          }
          return result;
      }
  }
  function serializeRequestBody(serviceClient, httpRequest, operationArguments, operationSpec) {
      var _a, _b, _c, _d, _e, _f;
      const serializerOptions = (_b = (_a = operationArguments.options) === null || _a === void 0 ? void 0 : _a.serializerOptions) !== null && _b !== void 0 ? _b : {};
      const updatedOptions = {
          rootName: (_c = serializerOptions.rootName) !== null && _c !== void 0 ? _c : "",
          includeRoot: (_d = serializerOptions.includeRoot) !== null && _d !== void 0 ? _d : false,
          xmlCharKey: (_e = serializerOptions.xmlCharKey) !== null && _e !== void 0 ? _e : XML_CHARKEY,
      };
      const xmlCharKey = serializerOptions.xmlCharKey;
      if (operationSpec.requestBody && operationSpec.requestBody.mapper) {
          httpRequest.body = getOperationArgumentValueFromParameter(serviceClient, operationArguments, operationSpec.requestBody, operationSpec.serializer);
          const bodyMapper = operationSpec.requestBody.mapper;
          const { required, xmlName, xmlElementName, serializedName, xmlNamespace, xmlNamespacePrefix } = bodyMapper;
          const typeName = bodyMapper.type.name;
          try {
              if ((httpRequest.body !== undefined && httpRequest.body !== null) || required) {
                  const requestBodyParameterPathString = getPathStringFromParameter(operationSpec.requestBody);
                  httpRequest.body = operationSpec.serializer.serialize(bodyMapper, httpRequest.body, requestBodyParameterPathString, updatedOptions);
                  const isStream = typeName === MapperType.Stream;
                  if (operationSpec.isXML) {
                      const xmlnsKey = xmlNamespacePrefix ? `xmlns:${xmlNamespacePrefix}` : "xmlns";
                      const value = getXmlValueWithNamespace(xmlNamespace, xmlnsKey, typeName, httpRequest.body, updatedOptions);
                      if (typeName === MapperType.Sequence) {
                          httpRequest.body = stringifyXML(prepareXMLRootList(value, xmlElementName || xmlName || serializedName, xmlnsKey, xmlNamespace), {
                              rootName: xmlName || serializedName,
                              xmlCharKey,
                          });
                      }
                      else if (!isStream) {
                          httpRequest.body = stringifyXML(value, {
                              rootName: xmlName || serializedName,
                              xmlCharKey,
                          });
                      }
                  }
                  else if (typeName === MapperType.String &&
                      (((_f = operationSpec.contentType) === null || _f === void 0 ? void 0 : _f.match("text/plain")) || operationSpec.mediaType === "text")) {
                      // the String serializer has validated that request body is a string
                      // so just send the string.
                      return;
                  }
                  else if (!isStream) {
                      httpRequest.body = JSON.stringify(httpRequest.body);
                  }
              }
          }
          catch (error) {
              throw new Error(`Error "${error.message}" occurred in serializing the payload - ${JSON.stringify(serializedName, undefined, "  ")}.`);
          }
      }
      else if (operationSpec.formDataParameters && operationSpec.formDataParameters.length > 0) {
          httpRequest.formData = {};
          for (const formDataParameter of operationSpec.formDataParameters) {
              const formDataParameterValue = getOperationArgumentValueFromParameter(serviceClient, operationArguments, formDataParameter, operationSpec.serializer);
              if (formDataParameterValue !== undefined && formDataParameterValue !== null) {
                  const formDataParameterPropertyName = formDataParameter.mapper.serializedName || getPathStringFromParameter(formDataParameter);
                  httpRequest.formData[formDataParameterPropertyName] = operationSpec.serializer.serialize(formDataParameter.mapper, formDataParameterValue, getPathStringFromParameter(formDataParameter), updatedOptions);
              }
          }
      }
  }
  /**
   * Adds an xml namespace to the xml serialized object if needed, otherwise it just returns the value itself
   */
  function getXmlValueWithNamespace(xmlNamespace, xmlnsKey, typeName, serializedValue, options) {
      // Composite and Sequence schemas already got their root namespace set during serialization
      // We just need to add xmlns to the other schema types
      if (xmlNamespace && !["Composite", "Sequence", "Dictionary"].includes(typeName)) {
          const result = {};
          result[options.xmlCharKey] = serializedValue;
          result[XML_ATTRKEY] = { [xmlnsKey]: xmlNamespace };
          return result;
      }
      return serializedValue;
  }
  function getValueOrFunctionResult(value, defaultValueCreator) {
      let result;
      if (typeof value === "string") {
          result = value;
      }
      else {
          result = defaultValueCreator();
          if (typeof value === "function") {
              result = value(result);
          }
      }
      return result;
  }
  function createDefaultRequestPolicyFactories(authPolicyFactory, options) {
      const factories = [];
      if (options.generateClientRequestIdHeader) {
          factories.push(generateClientRequestIdPolicy(options.clientRequestIdHeaderName));
      }
      if (authPolicyFactory) {
          factories.push(authPolicyFactory);
      }
      const userAgentHeaderName = getValueOrFunctionResult(options.userAgentHeaderName, getDefaultUserAgentHeaderName);
      const userAgentHeaderValue = getValueOrFunctionResult(options.userAgent, getDefaultUserAgentValue);
      if (userAgentHeaderName && userAgentHeaderValue) {
          factories.push(userAgentPolicy({ key: userAgentHeaderName, value: userAgentHeaderValue }));
      }
      factories.push(redirectPolicy());
      factories.push(rpRegistrationPolicy(options.rpRegistrationRetryTimeout));
      if (!options.noRetryPolicy) {
          factories.push(exponentialRetryPolicy());
          factories.push(systemErrorRetryPolicy());
          factories.push(throttlingRetryPolicy());
      }
      factories.push(deserializationPolicy(options.deserializationContentTypes));
      if (isNode) {
          factories.push(proxyPolicy(options.proxySettings));
      }
      factories.push(logPolicy({ logger: logger.info }));
      return factories;
  }
  /**
   * Creates an HTTP pipeline based on the given options.
   * @param pipelineOptions - Defines options that are used to configure policies in the HTTP pipeline for an SDK client.
   * @param authPolicyFactory - An optional authentication policy factory to use for signing requests.
   * @returns A set of options that can be passed to create a new {@link ServiceClient}.
   */
  function createPipelineFromOptions(pipelineOptions, authPolicyFactory) {
      const requestPolicyFactories = [];
      if (pipelineOptions.sendStreamingJson) {
          requestPolicyFactories.push(ndJsonPolicy());
      }
      let userAgentValue = undefined;
      if (pipelineOptions.userAgentOptions && pipelineOptions.userAgentOptions.userAgentPrefix) {
          const userAgentInfo = [];
          userAgentInfo.push(pipelineOptions.userAgentOptions.userAgentPrefix);
          // Add the default user agent value if it isn't already specified
          // by the userAgentPrefix option.
          const defaultUserAgentInfo = getDefaultUserAgentValue();
          if (userAgentInfo.indexOf(defaultUserAgentInfo) === -1) {
              userAgentInfo.push(defaultUserAgentInfo);
          }
          userAgentValue = userAgentInfo.join(" ");
      }
      const keepAliveOptions = Object.assign(Object.assign({}, DefaultKeepAliveOptions), pipelineOptions.keepAliveOptions);
      const retryOptions = Object.assign(Object.assign({}, DefaultRetryOptions), pipelineOptions.retryOptions);
      const redirectOptions = Object.assign(Object.assign({}, DefaultRedirectOptions), pipelineOptions.redirectOptions);
      if (isNode) {
          requestPolicyFactories.push(proxyPolicy(pipelineOptions.proxyOptions));
      }
      const deserializationOptions = Object.assign(Object.assign({}, DefaultDeserializationOptions), pipelineOptions.deserializationOptions);
      const loggingOptions = Object.assign({}, pipelineOptions.loggingOptions);
      requestPolicyFactories.push(tracingPolicy({ userAgent: userAgentValue }), keepAlivePolicy(keepAliveOptions), userAgentPolicy({ value: userAgentValue }), generateClientRequestIdPolicy(), deserializationPolicy(deserializationOptions.expectedContentTypes), throttlingRetryPolicy(), systemErrorRetryPolicy(), exponentialRetryPolicy(retryOptions.maxRetries, retryOptions.retryDelayInMs, retryOptions.maxRetryDelayInMs));
      if (redirectOptions.handleRedirects) {
          requestPolicyFactories.push(redirectPolicy(redirectOptions.maxRetries));
      }
      if (authPolicyFactory) {
          requestPolicyFactories.push(authPolicyFactory);
      }
      requestPolicyFactories.push(logPolicy(loggingOptions));
      if (isNode && pipelineOptions.decompressResponse === false) {
          requestPolicyFactories.push(disableResponseDecompressionPolicy());
      }
      return {
          httpClient: pipelineOptions.httpClient,
          requestPolicyFactories,
      };
  }
  function getOperationArgumentValueFromParameter(serviceClient, operationArguments, parameter, serializer) {
      return getOperationArgumentValueFromParameterPath(serviceClient, operationArguments, parameter.parameterPath, parameter.mapper, serializer);
  }
  function getOperationArgumentValueFromParameterPath(serviceClient, operationArguments, parameterPath, parameterMapper, serializer) {
      var _a;
      let value;
      if (typeof parameterPath === "string") {
          parameterPath = [parameterPath];
      }
      const serializerOptions = (_a = operationArguments.options) === null || _a === void 0 ? void 0 : _a.serializerOptions;
      if (Array.isArray(parameterPath)) {
          if (parameterPath.length > 0) {
              if (parameterMapper.isConstant) {
                  value = parameterMapper.defaultValue;
              }
              else {
                  let propertySearchResult = getPropertyFromParameterPath(operationArguments, parameterPath);
                  if (!propertySearchResult.propertyFound) {
                      propertySearchResult = getPropertyFromParameterPath(serviceClient, parameterPath);
                  }
                  let useDefaultValue = false;
                  if (!propertySearchResult.propertyFound) {
                      useDefaultValue =
                          parameterMapper.required ||
                              (parameterPath[0] === "options" && parameterPath.length === 2);
                  }
                  value = useDefaultValue ? parameterMapper.defaultValue : propertySearchResult.propertyValue;
              }
              // Serialize just for validation purposes.
              const parameterPathString = getPathStringFromParameterPath(parameterPath, parameterMapper);
              serializer.serialize(parameterMapper, value, parameterPathString, serializerOptions);
          }
      }
      else {
          if (parameterMapper.required) {
              value = {};
          }
          for (const propertyName in parameterPath) {
              const propertyMapper = parameterMapper.type.modelProperties[propertyName];
              const propertyPath = parameterPath[propertyName];
              const propertyValue = getOperationArgumentValueFromParameterPath(serviceClient, operationArguments, propertyPath, propertyMapper, serializer);
              // Serialize just for validation purposes.
              const propertyPathString = getPathStringFromParameterPath(propertyPath, propertyMapper);
              serializer.serialize(propertyMapper, propertyValue, propertyPathString, serializerOptions);
              if (propertyValue !== undefined && propertyValue !== null) {
                  if (!value) {
                      value = {};
                  }
                  value[propertyName] = propertyValue;
              }
          }
      }
      return value;
  }
  function getPropertyFromParameterPath(parent, parameterPath) {
      const result = { propertyFound: false };
      let i = 0;
      for (; i < parameterPath.length; ++i) {
          const parameterPathPart = parameterPath[i];
          // Make sure to check inherited properties too, so don't use hasOwnProperty().
          if (parent !== undefined && parent !== null && parameterPathPart in parent) {
              parent = parent[parameterPathPart];
          }
          else {
              break;
          }
      }
      if (i === parameterPath.length) {
          result.propertyValue = parent;
          result.propertyFound = true;
      }
      return result;
  }
  /**
   * Parses an {@link HttpOperationResponse} into a normalized HTTP response object ({@link RestResponse}).
   * @param _response - Wrapper object for http response.
   * @param responseSpec - Mappers for how to parse the response properties.
   * @returns - A normalized response object.
   */
  function flattenResponse(_response, responseSpec) {
      const parsedHeaders = _response.parsedHeaders;
      const bodyMapper = responseSpec && responseSpec.bodyMapper;
      const addOperationResponse = (obj) => {
          return Object.defineProperty(obj, "_response", {
              value: _response,
          });
      };
      if (bodyMapper) {
          const typeName = bodyMapper.type.name;
          if (typeName === "Stream") {
              return addOperationResponse(Object.assign(Object.assign({}, parsedHeaders), { blobBody: _response.blobBody, readableStreamBody: _response.readableStreamBody }));
          }
          const modelProperties = (typeName === "Composite" && bodyMapper.type.modelProperties) || {};
          const isPageableResponse = Object.keys(modelProperties).some((k) => modelProperties[k].serializedName === "");
          if (typeName === "Sequence" || isPageableResponse) {
              const arrayResponse = [...(_response.parsedBody || [])];
              for (const key of Object.keys(modelProperties)) {
                  if (modelProperties[key].serializedName) {
                      arrayResponse[key] = _response.parsedBody[key];
                  }
              }
              if (parsedHeaders) {
                  for (const key of Object.keys(parsedHeaders)) {
                      arrayResponse[key] = parsedHeaders[key];
                  }
              }
              addOperationResponse(arrayResponse);
              return arrayResponse;
          }
          if (typeName === "Composite" || typeName === "Dictionary") {
              return addOperationResponse(Object.assign(Object.assign({}, parsedHeaders), _response.parsedBody));
          }
      }
      if (bodyMapper ||
          _response.request.method === "HEAD" ||
          isPrimitiveType(_response.parsedBody)) {
          // primitive body types and HEAD booleans
          return addOperationResponse(Object.assign(Object.assign({}, parsedHeaders), { body: _response.parsedBody }));
      }
      return addOperationResponse(Object.assign(Object.assign({}, parsedHeaders), _response.parsedBody));
  }
  function getCredentialScopes(options, baseUri) {
      if (options === null || options === void 0 ? void 0 : options.credentialScopes) {
          const scopes = options.credentialScopes;
          return Array.isArray(scopes)
              ? scopes.map((scope) => new url.URL(scope).toString())
              : new url.URL(scopes).toString();
      }
      if (baseUri) {
          return `${baseUri}/.default`;
      }
      return undefined;
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * This function is only here for compatibility. Use createSpanFunction in core-tracing.
   *
   * @deprecated This function is only here for compatibility. Use createSpanFunction in core-tracing.
   * @hidden
  
   * @param spanConfig - The name of the operation being performed.
   * @param tracingOptions - The options for the underlying http request.
   */
  function createSpanFunction(args) {
      return coreTracing.createSpanFunction(args);
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * Defines the default token refresh buffer duration.
   */
  const TokenRefreshBufferMs = 2 * 60 * 1000; // 2 Minutes
  /**
   * Provides an {@link AccessTokenCache} implementation which clears
   * the cached {@link AccessToken}'s after the expiresOnTimestamp has
   * passed.
   *
   * @deprecated No longer used in the bearer authorization policy.
   */
  class ExpiringAccessTokenCache {
      /**
       * Constructs an instance of {@link ExpiringAccessTokenCache} with
       * an optional expiration buffer time.
       */
      constructor(tokenRefreshBufferMs = TokenRefreshBufferMs) {
          this.cachedToken = undefined;
          this.tokenRefreshBufferMs = tokenRefreshBufferMs;
      }
      /**
       * Saves an access token into the internal in-memory cache.
       * @param accessToken - Access token or undefined to clear the cache.
       */
      setCachedToken(accessToken) {
          this.cachedToken = accessToken;
      }
      /**
       * Returns the cached access token, or `undefined` if one is not cached or the cached one is expiring soon.
       */
      getCachedToken() {
          if (this.cachedToken &&
              Date.now() + this.tokenRefreshBufferMs >= this.cachedToken.expiresOnTimestamp) {
              this.cachedToken = undefined;
          }
          return this.cachedToken;
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  // Licensed under the MIT license.
  /**
   * Helps the core-http token authentication policies with requesting a new token if we're not currently waiting for a new token.
   *
   * @deprecated No longer used in the bearer authorization policy.
   */
  class AccessTokenRefresher {
      constructor(credential, scopes, requiredMillisecondsBeforeNewRefresh = 30000) {
          this.credential = credential;
          this.scopes = scopes;
          this.requiredMillisecondsBeforeNewRefresh = requiredMillisecondsBeforeNewRefresh;
          this.lastCalled = 0;
      }
      /**
       * Returns true if the required milliseconds(defaulted to 30000) have been passed signifying
       * that we are ready for a new refresh.
       */
      isReady() {
          // We're only ready for a new refresh if the required milliseconds have passed.
          return (!this.lastCalled || Date.now() - this.lastCalled > this.requiredMillisecondsBeforeNewRefresh);
      }
      /**
       * Stores the time in which it is called,
       * then requests a new token,
       * then sets this.promise to undefined,
       * then returns the token.
       */
      async getToken(options) {
          this.lastCalled = Date.now();
          const token = await this.credential.getToken(this.scopes, options);
          this.promise = undefined;
          return token || undefined;
      }
      /**
       * Requests a new token if we're not currently waiting for a new token.
       * Returns null if the required time between each call hasn't been reached.
       */
      refresh(options) {
          if (!this.promise) {
              this.promise = this.getToken(options);
          }
          return this.promise;
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  const HeaderConstants = Constants.HeaderConstants;
  const DEFAULT_AUTHORIZATION_SCHEME = "Basic";
  /**
   * A simple {@link ServiceClientCredential} that authenticates with a username and a password.
   */
  class BasicAuthenticationCredentials {
      /**
       * Creates a new BasicAuthenticationCredentials object.
       *
       * @param userName - User name.
       * @param password - Password.
       * @param authorizationScheme - The authorization scheme.
       */
      constructor(userName, password, authorizationScheme = DEFAULT_AUTHORIZATION_SCHEME) {
          /**
           * Authorization scheme. Defaults to "Basic".
           * More information about authorization schemes is available here: https://developer.mozilla.org/docs/Web/HTTP/Authentication#authentication_schemes
           */
          this.authorizationScheme = DEFAULT_AUTHORIZATION_SCHEME;
          if (userName === null || userName === undefined || typeof userName.valueOf() !== "string") {
              throw new Error("userName cannot be null or undefined and must be of type string.");
          }
          if (password === null || password === undefined || typeof password.valueOf() !== "string") {
              throw new Error("password cannot be null or undefined and must be of type string.");
          }
          this.userName = userName;
          this.password = password;
          this.authorizationScheme = authorizationScheme;
      }
      /**
       * Signs a request with the Authentication header.
       *
       * @param webResource - The WebResourceLike to be signed.
       * @returns The signed request object.
       */
      signRequest(webResource) {
          const credentials = `${this.userName}:${this.password}`;
          const encodedCredentials = `${this.authorizationScheme} ${encodeString(credentials)}`;
          if (!webResource.headers)
              webResource.headers = new HttpHeaders();
          webResource.headers.set(HeaderConstants.AUTHORIZATION, encodedCredentials);
          return Promise.resolve(webResource);
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * Authenticates to a service using an API key.
   */
  class ApiKeyCredentials {
      /**
       * @param options - Specifies the options to be provided for auth. Either header or query needs to be provided.
       */
      constructor(options) {
          if (!options || (options && !options.inHeader && !options.inQuery)) {
              throw new Error(`options cannot be null or undefined. Either "inHeader" or "inQuery" property of the options object needs to be provided.`);
          }
          this.inHeader = options.inHeader;
          this.inQuery = options.inQuery;
      }
      /**
       * Signs a request with the values provided in the inHeader and inQuery parameter.
       *
       * @param webResource - The WebResourceLike to be signed.
       * @returns The signed request object.
       */
      signRequest(webResource) {
          if (!webResource) {
              return Promise.reject(new Error(`webResource cannot be null or undefined and must be of type "object".`));
          }
          if (this.inHeader) {
              if (!webResource.headers) {
                  webResource.headers = new HttpHeaders();
              }
              for (const headerName in this.inHeader) {
                  webResource.headers.set(headerName, this.inHeader[headerName]);
              }
          }
          if (this.inQuery) {
              if (!webResource.url) {
                  return Promise.reject(new Error(`url cannot be null in the request object.`));
              }
              if (webResource.url.indexOf("?") < 0) {
                  webResource.url += "?";
              }
              for (const key in this.inQuery) {
                  if (!webResource.url.endsWith("?")) {
                      webResource.url += "&";
                  }
                  webResource.url += `${key}=${this.inQuery[key]}`;
              }
          }
          return Promise.resolve(webResource);
      }
  }
  
  // Copyright (c) Microsoft Corporation.
  /**
   * A {@link TopicCredentials} object used for Azure Event Grid.
   */
  class TopicCredentials extends ApiKeyCredentials {
      /**
       * Creates a new EventGrid TopicCredentials object.
       *
       * @param topicKey - The EventGrid topic key
       */
      constructor(topicKey) {
          if (!topicKey || (topicKey && typeof topicKey !== "string")) {
              throw new Error("topicKey cannot be null or undefined and must be of type string.");
          }
          const options = {
              inHeader: {
                  "aeg-sas-key": topicKey,
              },
          };
          super(options);
      }
  }
  
  Object.defineProperty(exports, 'isTokenCredential', {
      enumerable: true,
      get: function () { return coreAuth.isTokenCredential; }
  });
  exports.AccessTokenRefresher = AccessTokenRefresher;
  exports.ApiKeyCredentials = ApiKeyCredentials;
  exports.BaseRequestPolicy = BaseRequestPolicy;
  exports.BasicAuthenticationCredentials = BasicAuthenticationCredentials;
  exports.Constants = Constants;
  exports.DefaultHttpClient = NodeFetchHttpClient;
  exports.ExpiringAccessTokenCache = ExpiringAccessTokenCache;
  exports.HttpHeaders = HttpHeaders;
  exports.MapperType = MapperType;
  exports.RequestPolicyOptions = RequestPolicyOptions;
  exports.RestError = RestError;
  exports.Serializer = Serializer;
  exports.ServiceClient = ServiceClient;
  exports.TopicCredentials = TopicCredentials;
  exports.URLBuilder = URLBuilder;
  exports.URLQuery = URLQuery;
  exports.WebResource = WebResource;
  exports.XML_ATTRKEY = XML_ATTRKEY;
  exports.XML_CHARKEY = XML_CHARKEY;
  exports.applyMixins = applyMixins;
  exports.bearerTokenAuthenticationPolicy = bearerTokenAuthenticationPolicy;
  exports.createPipelineFromOptions = createPipelineFromOptions;
  exports.createSpanFunction = createSpanFunction;
  exports.delay = delay;
  exports.deserializationPolicy = deserializationPolicy;
  exports.deserializeResponseBody = deserializeResponseBody;
  exports.disableResponseDecompressionPolicy = disableResponseDecompressionPolicy;
  exports.encodeUri = encodeUri;
  exports.executePromisesSequentially = executePromisesSequentially;
  exports.exponentialRetryPolicy = exponentialRetryPolicy;
  exports.flattenResponse = flattenResponse;
  exports.generateClientRequestIdPolicy = generateClientRequestIdPolicy;
  exports.generateUuid = generateUuid;
  exports.getDefaultProxySettings = getDefaultProxySettings;
  exports.getDefaultUserAgentValue = getDefaultUserAgentValue;
  exports.isDuration = isDuration;
  exports.isNode = isNode;
  exports.isValidUuid = isValidUuid;
  exports.keepAlivePolicy = keepAlivePolicy;
  exports.logPolicy = logPolicy;
  exports.operationOptionsToRequestOptionsBase = operationOptionsToRequestOptionsBase;
  exports.parseXML = parseXML;
  exports.promiseToCallback = promiseToCallback;
  exports.promiseToServiceCallback = promiseToServiceCallback;
  exports.proxyPolicy = proxyPolicy;
  exports.redirectPolicy = redirectPolicy;
  exports.serializeObject = serializeObject;
  exports.signingPolicy = signingPolicy;
  exports.stringifyXML = stringifyXML;
  exports.stripRequest = stripRequest;
  exports.stripResponse = stripResponse;
  exports.systemErrorRetryPolicy = systemErrorRetryPolicy;
  exports.throttlingRetryPolicy = throttlingRetryPolicy;
  exports.tracingPolicy = tracingPolicy;
  exports.userAgentPolicy = userAgentPolicy;
  //# sourceMappingURL=index.js.map
  