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 Obj {} 17const object1: Obj = {}; 18 19console.log(Objˆct.keys(object1)); 20 21/* @@? 19:13 Error TypeError: Class name can't be the argument of function or method. */ 22/* @@? 19:13 Error TypeError: Class or interface 'Obj' cannot be used as object */ 23/* @@? 19:16 Error SyntaxError: Unexpected token, expected an identifier. */ 24/* @@? 19:16 Error SyntaxError: Unexpected token 'ˆct'. */ 25/* @@? 19:16 Error SyntaxError: Unexpected token, expected ',' or ')'. */ 26/* @@? 19:16 Error SyntaxError: Unexpected token, expected an identifier. */ 27/* @@? 19:16 Error TypeError: Unresolved reference ˆct */ 28/* @@? 19:33 Error SyntaxError: Unexpected token ')'. */