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 16declare class A { 17 [index : number] 18/* @@ label */} 19 20/* @@ label1 */function main/* @@ label3 */() { 21 let a : A = new A(); 22} 23 24/* @@@ label Error SyntaxError: An index signature must have a type annotation. */ 25/* @@@ label1 Error SyntaxError: Return type of index signature from exported class or interface need to be identifier. */ 26/* @@@ label3 Error TypeError: Native and Declare methods should have explicit return type. */ 27/* @@@ label2 Error SyntaxError: Expected '}', got 'end of stream'. */ 28/* @@ label2 */