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1/*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16declare class SendableMap<K, V> {
17    keys(): IterableIterator<K>;
18    values(): IterableIterator<V>;
19};
20declare class SendableSet<T> {
21    values(): IterableIterator<T>;
22};
23declare class SendableArray {};
24
25class SendableType {
26    public static isArray<T extends object>(o: T): boolean {
27        return o instanceof SendableArray;
28    }
29    public static isSet<T extends object>(o: T): boolean {
30        return o instanceof SendableSet;
31    }
32
33    public static isMap<T extends object>(o: T): boolean {
34        return o instanceof SendableMap;
35    }
36
37    public static isContainer<T extends object>(o: T): boolean {
38        return o instanceof SendableMap || o instanceof SendableSet || o instanceof SendableArray;
39    }
40}