1/* 2 * Copyright (c) 2024-2025 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 16/* @@ label */interface A { 17 length(): number; 18} 19 20class C implements A /* @@ label1 */{ 21 override get length/* @@ label2 */(): number { 22 return 0; 23 } 24} 25 26/* @@@ label Error TypeError: Cannot inherit from interface A because method length is inherited with a different declaration type */ 27/* @@@ label1 Error TypeError: C is not abstract and does not override abstract method length(): double in A */ 28/* @@@ label2 Error TypeError: Method length(): double in C not overriding any method */ 29