"use strict";
/**
 * Copyright 2020 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.TaskQueue = void 0;
/**
 * @internal
 */
class TaskQueue {
    #chain;
    constructor() {
        this.#chain = Promise.resolve();
    }
    postTask(task) {
        const result = this.#chain.then(task);
        this.#chain = result.then(() => {
            return undefined;
        }, () => {
            return undefined;
        });
        return result;
    }
}
exports.TaskQueue = TaskQueue;
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