1/* 2 * Copyright (c) 2025 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 A { 17 foo() { 18 return 1; 19 } 20} 21 22interface B { 23 foo() { 24 return 2; 25 } 26} 27 28interface C extends A, B { 29} 30 31/* @@? 28:1 Error TypeError: Method 'foo' is declared in A and B interfaces. */ 32