/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


class Dog {
    name: String;
    legs: Int;
}

let dog: Dog = {
    name: "Scooby"
}

let hasSting = dog?.hasSting;

/* @@? 26:21 Error TypeError: Property 'hasSting' does not exist on type 'Dog'  */
/* @@? 26:21 Error TypeError: Property 'hasSting' does not exist on type 'Dog'  */