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 I1 extends I2 { 17 foo1():void; 18} 19 20interface I2 extends I1 { 21 foo2():void; 22} 23 24class cls implements I1 { 25 foo1():void {} 26 foo2():void {} 27} 28 29/* @@? 16:11 Error TypeError: Cyclic inheritance involving I1. */ 30 31