text: "use strict";
  
  const conversions = require("webidl-conversions");
  const utils = require("./utils.js");
  
  const convertDocumentType = require("./DocumentType.js").convert;
  const impl = utils.implSymbol;
  
  class DOMImplementation {
    constructor() {
      throw new TypeError("Illegal constructor");
    }
  
    createDocumentType(qualifiedName, publicId, systemId) {
      if (!this || !module.exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
  
      if (arguments.length < 3) {
        throw new TypeError(
          "Failed to execute 'createDocumentType' on 'DOMImplementation': 3 arguments required, but only " +
            arguments.length +
            " present."
        );
      }
      const args = [];
      {
        let curArg = arguments[0];
        curArg = conversions["DOMString"](curArg, {
          context: "Failed to execute 'createDocumentType' on 'DOMImplementation': parameter 1"
        });
        args.push(curArg);
      }
      {
        let curArg = arguments[1];
        curArg = conversions["DOMString"](curArg, {
          context: "Failed to execute 'createDocumentType' on 'DOMImplementation': parameter 2"
        });
        args.push(curArg);
      }
      {
        let curArg = arguments[2];
        curArg = conversions["DOMString"](curArg, {
          context: "Failed to execute 'createDocumentType' on 'DOMImplementation': parameter 3"
        });
        args.push(curArg);
      }
      return utils.tryWrapperForImpl(this[impl].createDocumentType(...args));
    }
  
    createDocument(namespace, qualifiedName) {
      if (!this || !module.exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
  
      if (arguments.length < 2) {
        throw new TypeError(
          "Failed to execute 'createDocument' on 'DOMImplementation': 2 arguments required, but only " +
            arguments.length +
            " present."
        );
      }
      const args = [];
      {
        let curArg = arguments[0];
        if (curArg === null || curArg === undefined) {
          curArg = null;
        } else {
          curArg = conversions["DOMString"](curArg, {
            context: "Failed to execute 'createDocument' on 'DOMImplementation': parameter 1"
          });
        }
        args.push(curArg);
      }
      {
        let curArg = arguments[1];
        curArg = conversions["DOMString"](curArg, {
          context: "Failed to execute 'createDocument' on 'DOMImplementation': parameter 2",
          treatNullAsEmptyString: true
        });
        args.push(curArg);
      }
      {
        let curArg = arguments[2];
        if (curArg !== undefined) {
          if (curArg === null || curArg === undefined) {
            curArg = null;
          } else {
            curArg = convertDocumentType(curArg, {
              context: "Failed to execute 'createDocument' on 'DOMImplementation': parameter 3"
            });
          }
        } else {
          curArg = null;
        }
        args.push(curArg);
      }
      return utils.tryWrapperForImpl(this[impl].createDocument(...args));
    }
  
    createHTMLDocument() {
      if (!this || !module.exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
      const args = [];
      {
        let curArg = arguments[0];
        if (curArg !== undefined) {
          curArg = conversions["DOMString"](curArg, {
            context: "Failed to execute 'createHTMLDocument' on 'DOMImplementation': parameter 1"
          });
        }
        args.push(curArg);
      }
      return utils.tryWrapperForImpl(this[impl].createHTMLDocument(...args));
    }
  
    hasFeature() {
      if (!this || !module.exports.is(this)) {
        throw new TypeError("Illegal invocation");
      }
  
      return this[impl].hasFeature();
    }
  }
  Object.defineProperties(DOMImplementation.prototype, {
    createDocumentType: { enumerable: true },
    createDocument: { enumerable: true },
    createHTMLDocument: { enumerable: true },
    hasFeature: { enumerable: true },
    [Symbol.toStringTag]: { value: "DOMImplementation", configurable: true }
  });
  const iface = {
    // When an interface-module that implements this interface as a mixin is loaded, it will append its own `.is()`
    // method into this array. It allows objects that directly implements *those* interfaces to be recognized as
    // implementing this mixin interface.
    _mixedIntoPredicates: [],
    is(obj) {
      if (obj) {
        if (utils.hasOwn(obj, impl) && obj[impl] instanceof Impl.implementation) {
          return true;
        }
        for (const isMixedInto of module.exports._mixedIntoPredicates) {
          if (isMixedInto(obj)) {
            return true;
          }
        }
      }
      return false;
    },
    isImpl(obj) {
      if (obj) {
        if (obj instanceof Impl.implementation) {
          return true;
        }
  
        const wrapper = utils.wrapperForImpl(obj);
        for (const isMixedInto of module.exports._mixedIntoPredicates) {
          if (isMixedInto(wrapper)) {
            return true;
          }
        }
      }
      return false;
    },
    convert(obj, { context = "The provided value" } = {}) {
      if (module.exports.is(obj)) {
        return utils.implForWrapper(obj);
      }
      throw new TypeError(`${context} is not of type 'DOMImplementation'.`);
    },
  
    create(constructorArgs, privateData) {
      let obj = Object.create(DOMImplementation.prototype);
      obj = this.setup(obj, constructorArgs, privateData);
      return obj;
    },
    createImpl(constructorArgs, privateData) {
      let obj = Object.create(DOMImplementation.prototype);
      obj = this.setup(obj, constructorArgs, privateData);
      return utils.implForWrapper(obj);
    },
    _internalSetup(obj) {},
    setup(obj, constructorArgs, privateData) {
      if (!privateData) privateData = {};
  
      privateData.wrapper = obj;
  
      this._internalSetup(obj);
      Object.defineProperty(obj, impl, {
        value: new Impl.implementation(constructorArgs, privateData),
        configurable: true
      });
  
      obj[impl][utils.wrapperSymbol] = obj;
      if (Impl.init) {
        Impl.init(obj[impl], privateData);
      }
      return obj;
    },
    interface: DOMImplementation,
    expose: {
      Window: { DOMImplementation }
    }
  }; // iface
  module.exports = iface;
  
  const Impl = require("../nodes/DOMImplementation-impl.js");
  