/**
 * Copyright (c) 2023-2024 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.
 */

interface I {
  fn(): Object;
  fn2(): Object;
  fn3(): Object;
  fn4(): Object[];
}

class A implements I {
  override fn(): String { return ""; }
  override fn2(): Object[] { return [new Object()]; }
  override fn3(): int[] { return [0]; }
  override fn4(): String[] { return [""]; }
}

function main(): void {}