text: "use strict";
  /**
   * @license
   * Copyright Google LLC 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
   */
  Object.defineProperty(exports, "__esModule", { value: true });
  exports.FallbackRegistry = void 0;
  const rxjs_1 = require("rxjs");
  const operators_1 = require("rxjs/operators");
  /**
   * A simple job registry that keep a map of JobName => JobHandler internally.
   */
  class FallbackRegistry {
      constructor(_fallbacks = []) {
          this._fallbacks = _fallbacks;
      }
      addFallback(registry) {
          this._fallbacks.push(registry);
      }
      get(name) {
          return rxjs_1.from(this._fallbacks).pipe(operators_1.concatMap((fb) => fb.get(name)), operators_1.first((x) => x !== null, null));
      }
  }
  exports.FallbackRegistry = FallbackRegistry;
  