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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
16class A {
17    foo(...n: number[]){
18        return "A";
19    }
20}
21
22class B extends A {
23    foo(...n: number[]){
24        return "B";
25    }
26}
27
28class C extends B {
29    foo(...n: number[]){
30        return "C";
31    }
32}
33
34function main() {
35    let a: A = new A();
36    let b: B = new B();
37    let c: C = new C();
38    assert a.foo() == "A";
39    assert a.foo(1) == "A";
40    assert b.foo() == "B";
41    assert b.foo(1,2) == "B";
42    assert c.foo() == "C";
43    assert c.foo(1,2,3) == "C";
44}