/**
 * @fileoverview added by tsickle
 * Generated from: packages/common/upgrade/src/params.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
/**
 * A codec for encoding and decoding URL parts.
 *
 * \@publicApi
 *
 * @abstract
 */
export class UrlCodec {
}
if (false) {
    /**
     * Encodes the path from the provided string
     *
     * @abstract
     * @param {?} path The path string
     * @return {?}
     */
    UrlCodec.prototype.encodePath = function (path) { };
    /**
     * Decodes the path from the provided string
     *
     * @abstract
     * @param {?} path The path string
     * @return {?}
     */
    UrlCodec.prototype.decodePath = function (path) { };
    /**
     * Encodes the search string from the provided string or object
     *
     * @abstract
     * @param {?} search
     * @return {?}
     */
    UrlCodec.prototype.encodeSearch = function (search) { };
    /**
     * Decodes the search objects from the provided string
     *
     * @abstract
     * @param {?} search
     * @return {?}
     */
    UrlCodec.prototype.decodeSearch = function (search) { };
    /**
     * Encodes the hash from the provided string
     *
     * @abstract
     * @param {?} hash
     * @return {?}
     */
    UrlCodec.prototype.encodeHash = function (hash) { };
    /**
     * Decodes the hash from the provided string
     *
     * @abstract
     * @param {?} hash
     * @return {?}
     */
    UrlCodec.prototype.decodeHash = function (hash) { };
    /**
     * Normalizes the URL from the provided string
     *
     * @abstract
     * @param {?} href
     * @return {?}
     */
    UrlCodec.prototype.normalize = function (href) { };
    /**
     * Normalizes the URL from the provided string, search, hash, and base URL parameters
     *
     * @abstract
     * @param {?} path The URL path
     * @param {?} search The search object
     * @param {?} hash The has string
     * @param {?=} baseUrl The base URL for the URL
     * @return {?}
     */
    UrlCodec.prototype.normalize = function (path, search, hash, baseUrl) { };
    /**
     * Checks whether the two strings are equal
     * @abstract
     * @param {?} valA First string for comparison
     * @param {?} valB Second string for comparison
     * @return {?}
     */
    UrlCodec.prototype.areEqual = function (valA, valB) { };
    /**
     * Parses the URL string based on the base URL
     *
     * @abstract
     * @param {?} url The full URL string
     * @param {?=} base The base for the URL
     * @return {?}
     */
    UrlCodec.prototype.parse = function (url, base) { };
}
/**
 * A `UrlCodec` that uses logic from AngularJS to serialize and parse URLs
 * and URL parameters.
 *
 * \@publicApi
 */
export class AngularJSUrlCodec {
    // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L15
    /**
     * @param {?} path
     * @return {?}
     */
    encodePath(path) {
        /** @type {?} */
        const segments = path.split('/');
        /** @type {?} */
        let i = segments.length;
        while (i--) {
            // decode forward slashes to prevent them from being double encoded
            segments[i] = encodeUriSegment(segments[i].replace(/%2F/g, '/'));
        }
        path = segments.join('/');
        return _stripIndexHtml((path && path[0] !== '/' && '/' || '') + path);
    }
    // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L42
    /**
     * @param {?} search
     * @return {?}
     */
    encodeSearch(search) {
        if (typeof search === 'string') {
            search = parseKeyValue(search);
        }
        search = toKeyValue(search);
        return search ? '?' + search : '';
    }
    // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L44
    /**
     * @param {?} hash
     * @return {?}
     */
    encodeHash(hash) {
        hash = encodeUriSegment(hash);
        return hash ? '#' + hash : '';
    }
    // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L27
    /**
     * @param {?} path
     * @param {?=} html5Mode
     * @return {?}
     */
    decodePath(path, html5Mode = true) {
        /** @type {?} */
        const segments = path.split('/');
        /** @type {?} */
        let i = segments.length;
        while (i--) {
            segments[i] = decodeURIComponent(segments[i]);
            if (html5Mode) {
                // encode forward slashes to prevent them from being mistaken for path separators
                segments[i] = segments[i].replace(/\//g, '%2F');
            }
        }
        return segments.join('/');
    }
    // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L72
    /**
     * @param {?} search
     * @return {?}
     */
    decodeSearch(search) {
        return parseKeyValue(search);
    }
    // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L73
    /**
     * @param {?} hash
     * @return {?}
     */
    decodeHash(hash) {
        hash = decodeURIComponent(hash);
        return hash[0] === '#' ? hash.substring(1) : hash;
    }
    /**
     * @param {?} pathOrHref
     * @param {?=} search
     * @param {?=} hash
     * @param {?=} baseUrl
     * @return {?}
     */
    normalize(pathOrHref, search, hash, baseUrl) {
        if (arguments.length === 1) {
            /** @type {?} */
            const parsed = this.parse(pathOrHref, baseUrl);
            if (typeof parsed === 'string') {
                return parsed;
            }
            /** @type {?} */
            const serverUrl = `${parsed.protocol}://${parsed.hostname}${parsed.port ? ':' + parsed.port : ''}`;
            return this.normalize(this.decodePath(parsed.pathname), this.decodeSearch(parsed.search), this.decodeHash(parsed.hash), serverUrl);
        }
        else {
            /** @type {?} */
            const encPath = this.encodePath(pathOrHref);
            /** @type {?} */
            const encSearch = search && this.encodeSearch(search) || '';
            /** @type {?} */
            const encHash = hash && this.encodeHash(hash) || '';
            /** @type {?} */
            let joinedPath = (baseUrl || '') + encPath;
            if (!joinedPath.length || joinedPath[0] !== '/') {
                joinedPath = '/' + joinedPath;
            }
            return joinedPath + encSearch + encHash;
        }
    }
    /**
     * @param {?} valA
     * @param {?} valB
     * @return {?}
     */
    areEqual(valA, valB) {
        return this.normalize(valA) === this.normalize(valB);
    }
    // https://github.com/angular/angular.js/blob/864c7f0/src/ng/urlUtils.js#L60
    /**
     * @param {?} url
     * @param {?=} base
     * @return {?}
     */
    parse(url, base) {
        try {
            // Safari 12 throws an error when the URL constructor is called with an undefined base.
            /** @type {?} */
            const parsed = !base ? new URL(url) : new URL(url, base);
            return {
                href: parsed.href,
                protocol: parsed.protocol ? parsed.protocol.replace(/:$/, '') : '',
                host: parsed.host,
                search: parsed.search ? parsed.search.replace(/^\?/, '') : '',
                hash: parsed.hash ? parsed.hash.replace(/^#/, '') : '',
                hostname: parsed.hostname,
                port: parsed.port,
                pathname: (parsed.pathname.charAt(0) === '/') ? parsed.pathname : '/' + parsed.pathname
            };
        }
        catch (e) {
            throw new Error(`Invalid URL (${url}) with base (${base})`);
        }
    }
}
/**
 * @param {?} url
 * @return {?}
 */
function _stripIndexHtml(url) {
    return url.replace(/\/index.html$/, '');
}
/**
 * Tries to decode the URI component without throwing an exception.
 *
 * @param {?} value
 * @return {?} the decoded URI if it can be decoded or else `undefined`.
 */
function tryDecodeURIComponent(value) {
    try {
        return decodeURIComponent(value);
    }
    catch (e) {
        // Ignore any invalid uri component.
        return undefined;
    }
}
/**
 * Parses an escaped url query string into key-value pairs. Logic taken from
 * https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1382
 * @param {?} keyValue
 * @return {?}
 */
function parseKeyValue(keyValue) {
    /** @type {?} */
    const obj = {};
    (keyValue || '').split('&').forEach((/**
     * @param {?} keyValue
     * @return {?}
     */
    (keyValue) => {
        /** @type {?} */
        let splitPoint;
        /** @type {?} */
        let key;
        /** @type {?} */
        let val;
        if (keyValue) {
            key = keyValue = keyValue.replace(/\+/g, '%20');
            splitPoint = keyValue.indexOf('=');
            if (splitPoint !== -1) {
                key = keyValue.substring(0, splitPoint);
                val = keyValue.substring(splitPoint + 1);
            }
            key = tryDecodeURIComponent(key);
            if (typeof key !== 'undefined') {
                val = typeof val !== 'undefined' ? tryDecodeURIComponent(val) : true;
                if (!obj.hasOwnProperty(key)) {
                    obj[key] = val;
                }
                else if (Array.isArray(obj[key])) {
                    ((/** @type {?} */ (obj[key]))).push(val);
                }
                else {
                    obj[key] = [obj[key], val];
                }
            }
        }
    }));
    return obj;
}
/**
 * Serializes into key-value pairs. Logic taken from
 * https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1409
 * @param {?} obj
 * @return {?}
 */
function toKeyValue(obj) {
    /** @type {?} */
    const parts = [];
    for (const key in obj) {
        /** @type {?} */
        let value = obj[key];
        if (Array.isArray(value)) {
            value.forEach((/**
             * @param {?} arrayValue
             * @return {?}
             */
            (arrayValue) => {
                parts.push(encodeUriQuery(key, true) +
                    (arrayValue === true ? '' : '=' + encodeUriQuery(arrayValue, true)));
            }));
        }
        else {
            parts.push(encodeUriQuery(key, true) +
                (value === true ? '' : '=' + encodeUriQuery((/** @type {?} */ (value)), true)));
        }
    }
    return parts.length ? parts.join('&') : '';
}
/**
 * We need our custom method because encodeURIComponent is too aggressive and doesn't follow
 * http://www.ietf.org/rfc/rfc3986.txt with regards to the character set (pchar) allowed in path
 * segments:
 *    segment       = *pchar
 *    pchar         = unreserved / pct-encoded / sub-delims / ":" / "\@"
 *    pct-encoded   = "%" HEXDIG HEXDIG
 *    unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"
 *    sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
 *                     / "*" / "+" / "," / ";" / "="
 *
 * Logic from https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1437
 * @param {?} val
 * @return {?}
 */
function encodeUriSegment(val) {
    return encodeUriQuery(val, true)
        .replace(/%26/gi, '&')
        .replace(/%3D/gi, '=')
        .replace(/%2B/gi, '+');
}
/**
 * This method is intended for encoding *key* or *value* parts of query component. We need a custom
 * method because encodeURIComponent is too aggressive and encodes stuff that doesn't have to be
 * encoded per http://tools.ietf.org/html/rfc3986:
 *    query         = *( pchar / "/" / "?" )
 *    pchar         = unreserved / pct-encoded / sub-delims / ":" / "\@"
 *    unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"
 *    pct-encoded   = "%" HEXDIG HEXDIG
 *    sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
 *                     / "*" / "+" / "," / ";" / "="
 *
 * Logic from https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1456
 * @param {?} val
 * @param {?=} pctEncodeSpaces
 * @return {?}
 */
function encodeUriQuery(val, pctEncodeSpaces = false) {
    return encodeURIComponent(val)
        .replace(/%40/gi, '@')
        .replace(/%3A/gi, ':')
        .replace(/%24/g, '$')
        .replace(/%2C/gi, ',')
        .replace(/%3B/gi, ';')
        .replace(/%20/g, (pctEncodeSpaces ? '%20' : '+'));
}
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All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * A codec for encoding and decoding URL parts.\n *\n * @publicApi\n **/\nexport abstract class UrlCodec {\n  /**\n   * Encodes the path from the provided string\n   *\n   * @param path The path string\n   */\n  abstract encodePath(path: string): string;\n\n  /**\n   * Decodes the path from the provided string\n   *\n   * @param path The path string\n   */\n  abstract decodePath(path: string): string;\n\n  /**\n   * Encodes the search string from the provided string or object\n   *\n   * @param path The path string or object\n   */\n  abstract encodeSearch(search: string|{[k: string]: unknown}): string;\n\n  /**\n   * Decodes the search objects from the provided string\n   *\n   * @param path The path string\n   */\n  abstract decodeSearch(search: string): {[k: string]: unknown};\n\n  /**\n   * Encodes the hash from the provided string\n   *\n   * @param path The hash string\n   */\n  abstract encodeHash(hash: string): string;\n\n  /**\n   * Decodes the hash from the provided string\n   *\n   * @param path The hash string\n   */\n  abstract decodeHash(hash: string): string;\n\n  /**\n   * Normalizes the URL from the provided string\n   *\n   * @param path The URL string\n   */\n  abstract normalize(href: string): string;\n\n\n  /**\n   * Normalizes the URL from the provided string, search, hash, and base URL parameters\n   *\n   * @param path The URL path\n   * @param search The search object\n   * @param hash The has string\n   * @param baseUrl The base URL for the URL\n   */\n  abstract normalize(path: string, search: {[k: string]: unknown}, hash: string, baseUrl?: string):\n      string;\n\n  /**\n   * Checks whether the two strings are equal\n   * @param valA First string for comparison\n   * @param valB Second string for comparison\n   */\n  abstract areEqual(valA: string, valB: string): boolean;\n\n  /**\n   * Parses the URL string based on the base URL\n   *\n   * @param url The full URL string\n   * @param base The base for the URL\n   */\n  abstract parse(url: string, base?: string): {\n    href: string,\n    protocol: string,\n    host: string,\n    search: string,\n    hash: string,\n    hostname: string,\n    port: string,\n    pathname: string\n  };\n}\n\n/**\n * A `UrlCodec` that uses logic from AngularJS to serialize and parse URLs\n * and URL parameters.\n *\n * @publicApi\n */\nexport class AngularJSUrlCodec implements UrlCodec {\n  // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L15\n  encodePath(path: string): string {\n    const segments = path.split('/');\n    let i = segments.length;\n\n    while (i--) {\n      // decode forward slashes to prevent them from being double encoded\n      segments[i] = encodeUriSegment(segments[i].replace(/%2F/g, '/'));\n    }\n\n    path = segments.join('/');\n    return _stripIndexHtml((path && path[0] !== '/' && '/' || '') + path);\n  }\n\n  // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L42\n  encodeSearch(search: string|{[k: string]: unknown}): string {\n    if (typeof search === 'string') {\n      search = parseKeyValue(search);\n    }\n\n    search = toKeyValue(search);\n    return search ? 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':' + parsed.port : ''}`;\n\n      return this.normalize(\n          this.decodePath(parsed.pathname), this.decodeSearch(parsed.search),\n          this.decodeHash(parsed.hash), serverUrl);\n    } else {\n      const encPath = this.encodePath(pathOrHref);\n      const encSearch = search && this.encodeSearch(search) || '';\n      const encHash = hash && this.encodeHash(hash) || '';\n\n      let joinedPath = (baseUrl || '') + encPath;\n\n      if (!joinedPath.length || joinedPath[0] !== '/') {\n        joinedPath = '/' + joinedPath;\n      }\n      return joinedPath + encSearch + encHash;\n    }\n  }\n\n  areEqual(valA: string, valB: string) {\n    return this.normalize(valA) === this.normalize(valB);\n  }\n\n  // https://github.com/angular/angular.js/blob/864c7f0/src/ng/urlUtils.js#L60\n  parse(url: string, base?: string) {\n    try {\n      // Safari 12 throws an error when the URL constructor is called with an undefined base.\n      const parsed = !base ? new URL(url) : new URL(url, base);\n      return {\n        href: parsed.href,\n        protocol: parsed.protocol ? parsed.protocol.replace(/:$/, '') : '',\n        host: parsed.host,\n        search: parsed.search ? parsed.search.replace(/^\\?/, '') : '',\n        hash: parsed.hash ? parsed.hash.replace(/^#/, '') : '',\n        hostname: parsed.hostname,\n        port: parsed.port,\n        pathname: (parsed.pathname.charAt(0) === '/') ? parsed.pathname : '/' + parsed.pathname\n      };\n    } catch (e) {\n      throw new Error(`Invalid URL (${url}) with base (${base})`);\n    }\n  }\n}\n\nfunction _stripIndexHtml(url: string): string {\n  return url.replace(/\\/index.html$/, '');\n}\n\n/**\n * Tries to decode the URI component without throwing an exception.\n *\n * @param str value potential URI component to check.\n * @returns the decoded URI if it can be decoded or else `undefined`.\n */\nfunction tryDecodeURIComponent(value: string): string|undefined {\n  try {\n    return decodeURIComponent(value);\n  } catch (e) {\n    // Ignore any invalid uri component.\n    return undefined;\n  }\n}\n\n\n/**\n * Parses an escaped url query string into key-value pairs. Logic taken from\n * https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1382\n */\nfunction parseKeyValue(keyValue: string): {[k: string]: unknown} {\n  const obj: {[k: string]: unknown} = {};\n  (keyValue || '').split('&').forEach((keyValue) => {\n    let splitPoint, key, val;\n    if (keyValue) {\n      key = keyValue = keyValue.replace(/\\+/g, '%20');\n      splitPoint = keyValue.indexOf('=');\n      if (splitPoint !== -1) {\n        key = keyValue.substring(0, splitPoint);\n        val = keyValue.substring(splitPoint + 1);\n      }\n      key = tryDecodeURIComponent(key);\n      if (typeof key !== 'undefined') {\n        val = typeof val !== 'undefined' ? tryDecodeURIComponent(val) : true;\n        if (!obj.hasOwnProperty(key)) {\n          obj[key] = val;\n        } else if (Array.isArray(obj[key])) {\n          (obj[key] as unknown[]).push(val);\n        } else {\n          obj[key] = [obj[key], val];\n        }\n      }\n    }\n  });\n  return obj;\n}\n\n/**\n * Serializes into key-value pairs. 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