10fbfc30aSopenharmony_ci/**
20fbfc30aSopenharmony_ci * @file Describe the file
30fbfc30aSopenharmony_ci * Copyright (c) 2023 Huawei Device Co., Ltd.
40fbfc30aSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
50fbfc30aSopenharmony_ci * you may not use this file except in compliance with the License.
60fbfc30aSopenharmony_ci * You may obtain a copy of the License at
70fbfc30aSopenharmony_ci *
80fbfc30aSopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
90fbfc30aSopenharmony_ci *
100fbfc30aSopenharmony_ci * Unless required by applicable law or agreed to in writing, software
110fbfc30aSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
120fbfc30aSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
130fbfc30aSopenharmony_ci * See the License for the specific language governing permissions and
140fbfc30aSopenharmony_ci * limitations under the License.
150fbfc30aSopenharmony_ci */
160fbfc30aSopenharmony_ci
170fbfc30aSopenharmony_ci/**
180fbfc30aSopenharmony_ci * Subscriber 的接口，接收 commonEvents 的类，需要归一实现该接口
190fbfc30aSopenharmony_ci *
200fbfc30aSopenharmony_ci * @since 2022-10-08
210fbfc30aSopenharmony_ci */
220fbfc30aSopenharmony_ciexport interface Subscriber {
230fbfc30aSopenharmony_ci  /**
240fbfc30aSopenharmony_ci   * 订阅公共事件
250fbfc30aSopenharmony_ci   */
260fbfc30aSopenharmony_ci  subscribe();
270fbfc30aSopenharmony_ci
280fbfc30aSopenharmony_ci  /**
290fbfc30aSopenharmony_ci   * 取消订阅公共事件
300fbfc30aSopenharmony_ci   */
310fbfc30aSopenharmony_ci  unSubscribe();
320fbfc30aSopenharmony_ci}