/*
 * 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.
 */
import assert from "assert";
abstract class t2 {
    abstract a3(): number;
    b3(): string {
        return '22';
    }
}
class u2 extends t2 {
    a3(): number {
        return 11;
    }
}
let v2 = new u2();
assert(v2.a3() === 11, 'success');
assert(v2.b3() === '22', 'success');
class w2 extends t2 {
    a3(): number {
        return 111;
    }
    b3(): string {
        return '222';
    }
}
let z2 = new w2();
assert(z2.a3() === 111, 'success');
assert(z2.b3() === '222', 'success');
