/* * Copyright (c) 2024 Huawei Device Co., Ltd. * 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. */ interface I1 { foo () {} } interface I2 { foo () {} } class C implements I1, I2 { } function main() { let c = new C; c.foo(); } /* @@? 18:27 Error TypeError: Method 'foo' is declared in I1 and I2 interfaces. */