add hw2

node_modules/chromium-bidi/lib/cjs/utils/Mutex.d.ts

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+/**
+ * Copyright 2023 Google LLC.
+ * Copyright (c) Microsoft Corporation.
+ * Copyright 2022 The Chromium Authors.
+ *
+ * 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.
+ */
+export type ReleaseFunction = () => void;
+/**
+ * Use Mutex class to coordinate local concurrent operations.
+ * Once `acquire` promise resolves, you hold the lock and must
+ * call `release` function returned by `acquire` to release the
+ * lock. Failing to `release` the lock may lead to deadlocks.
+ */
+export declare class Mutex {
+    #private;
+    acquire(): Promise<ReleaseFunction>;
+    run<T>(action: () => Promise<T>): Promise<T>;
+}