1/*
2 * Copyright (c) 2023-2024 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 I {}
17interface J {}
18interface K {}
19class A implements J {}
20class B extends A {}
21class C extends B implements I {}
22class D extends C {}
23
24function foo(x: I): string {
25    return "I";
26}
27function foo(x: J): string {
28    return "J";
29}
30function foo(x: D): string {
31    return "D";
32}
33
34function main(): int {
35    let a : string = foo(new A());
36    let b : string = foo(new B());
37    let c : string = foo(new C());
38    return 0;
39}
40
41
42/* @@? 37:22 Error TypeError: Call to `foo` is ambiguous as `2` versions of `foo` are available: `foo(x: I): String` and `foo(x: J): String`  */
43