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
16interface I1 { foo () {} }
17interface I2 { foo () {} }
18class C implements I1, I2 {
19}
20
21function main() {
22    let c = new C;
23    c.foo();
24}
25
26/* @@? 18:27 Error TypeError: Method 'foo' is declared in I1 and I2 interfaces.  */
27