text: "use strict";
  
  const conversions = require("webidl-conversions");
  const utils = require("./utils.js");
  
  const DocumentType = require("./DocumentType.js");
  const implSymbol = utils.implSymbol;
  const ctorRegistrySymbol = utils.ctorRegistrySymbol;
  
  const interfaceName = "DOMImplementation";
  
  exports.is = value => {
    return utils.isObject(value) && utils.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
  };
  exports.isImpl = value => {
    return utils.isObject(value) && value instanceof Impl.implementation;
  };
  exports.convert = (value, { context = "The provided value" } = {}) => {
    if (exports.is(value)) {
      return utils.implForWrapper(value);
    }
    throw new TypeError(`${context} is not of type 'DOMImplementation'.`);
  };
  
  function makeWrapper(globalObject) {
    if (globalObject[ctorRegistrySymbol] === undefined) {
      throw new Error("Internal error: invalid global object");
    }
  
    const ctor = globalObject[ctorRegistrySymbol]["DOMImplementation"];
    if (ctor === undefined) {
      throw new Error("Internal error: constructor DOMImplementation is not installed on the passed global object");
    }
  
    return Object.create(ctor.prototype);
  }
  
  exports.create = (globalObject, constructorArgs, privateData) => {
    const wrapper = makeWrapper(globalObject);
    return exports.setup(wrapper, globalObject, constructorArgs, privateData);
  };
  
  exports.createImpl = (globalObject, constructorArgs, privateData) => {
    const wrapper = exports.create(globalObject, constructorArgs, privateData);
    return utils.implForWrapper(wrapper);
  };
  
  exports._internalSetup = (wrapper, globalObject) => {};
  
  exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
    privateData.wrapper = wrapper;
  
    exports._internalSetup(wrapper, globalObject);
    Object.defineProperty(wrapper, implSymbol, {
      value: new Impl.implementation(globalObject, constructorArgs, privateData),
      configurable: true
    });
  
    wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
    if (Impl.init) {
      Impl.init(wrapper[implSymbol]);
    }
    return wrapper;
  };
  
  exports.new = globalObject => {
    const wrapper = makeWrapper(globalObject);
  
    exports._internalSetup(wrapper, globalObject);
    Object.defineProperty(wrapper, implSymbol, {
      value: Object.create(Impl.implementation.prototype),
      configurable: true
    });
  
    wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
    if (Impl.init) {
      Impl.init(wrapper[implSymbol]);
    }
    return wrapper[implSymbol];
  };
  
  const exposed = new Set(["Window"]);
  
  exports.install = (globalObject, globalNames) => {
    if (!globalNames.some(globalName => exposed.has(globalName))) {
      return;
    }
    class DOMImplementation {
      constructor() {
        throw new TypeError("Illegal constructor");
      }
  
      createDocumentType(qualifiedName, publicId, systemId) {
        const esValue = this !== null && this !== undefined ? this : globalObject;
        if (!exports.is(esValue)) {
          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(esValue[implSymbol].createDocumentType(...args));
      }
  
      createDocument(namespace, qualifiedName) {
        const esValue = this !== null && this !== undefined ? this : globalObject;
        if (!exports.is(esValue)) {
          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 = DocumentType.convert(curArg, {
                context: "Failed to execute 'createDocument' on 'DOMImplementation': parameter 3"
              });
            }
          } else {
            curArg = null;
          }
          args.push(curArg);
        }
        return utils.tryWrapperForImpl(esValue[implSymbol].createDocument(...args));
      }
  
      createHTMLDocument() {
        const esValue = this !== null && this !== undefined ? this : globalObject;
        if (!exports.is(esValue)) {
          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(esValue[implSymbol].createHTMLDocument(...args));
      }
  
      hasFeature() {
        const esValue = this !== null && this !== undefined ? this : globalObject;
        if (!exports.is(esValue)) {
          throw new TypeError("Illegal invocation");
        }
  
        return esValue[implSymbol].hasFeature();
      }
    }
    Object.defineProperties(DOMImplementation.prototype, {
      createDocumentType: { enumerable: true },
      createDocument: { enumerable: true },
      createHTMLDocument: { enumerable: true },
      hasFeature: { enumerable: true },
      [Symbol.toStringTag]: { value: "DOMImplementation", configurable: true }
    });
    if (globalObject[ctorRegistrySymbol] === undefined) {
      globalObject[ctorRegistrySymbol] = Object.create(null);
    }
    globalObject[ctorRegistrySymbol][interfaceName] = DOMImplementation;
  
    Object.defineProperty(globalObject, interfaceName, {
      configurable: true,
      writable: true,
      value: DOMImplementation
    });
  };
  
  const Impl = require("../nodes/DOMImplementation-impl.js");
  