add hw2

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

@@ -0,0 +1,26 @@
+/**
+ * Copyright 2023 Google LLC.
+ * Copyright (c) Microsoft Corporation.
+ *
+ * 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.
+ */
+/**
+ * A subclass of Map whose functionality is almost the same as its parent
+ * except for the fact that DefaultMap never returns undefined. It provides a
+ * default value for keys that do not exist.
+ */
+export declare class DefaultMap<K, V> extends Map<K, V> {
+    #private;
+    constructor(getDefaultValue: (key: K) => V, entries?: readonly (readonly [K, V])[] | null);
+    get(key: K): V;
+}