1b1b8bc3fSopenharmony_ci/*
2b1b8bc3fSopenharmony_ci * Copyright (C) 2023 Huawei Device Co., Ltd.
3b1b8bc3fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
4b1b8bc3fSopenharmony_ci * you may not use this file except in compliance with the License.
5b1b8bc3fSopenharmony_ci * You may obtain a copy of the License at
6b1b8bc3fSopenharmony_ci *
7b1b8bc3fSopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
8b1b8bc3fSopenharmony_ci *
9b1b8bc3fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software
10b1b8bc3fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
11b1b8bc3fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12b1b8bc3fSopenharmony_ci * See the License for the specific language governing permissions and
13b1b8bc3fSopenharmony_ci * limitations under the License.
14b1b8bc3fSopenharmony_ci */
15b1b8bc3fSopenharmony_ci
16b1b8bc3fSopenharmony_ciexport interface Callback<T> {
17b1b8bc3fSopenharmony_ci    (data: T): void;
18b1b8bc3fSopenharmony_ci}
19b1b8bc3fSopenharmony_ci
20b1b8bc3fSopenharmony_ciexport interface ErrorCallback<T extends Error = BusinessError> {
21b1b8bc3fSopenharmony_ci    (err: T): void;
22b1b8bc3fSopenharmony_ci}
23b1b8bc3fSopenharmony_ci
24b1b8bc3fSopenharmony_ciexport interface AsyncCallback<T> {
25b1b8bc3fSopenharmony_ci    (err: BusinessError, data: T): void;
26b1b8bc3fSopenharmony_ci}
27b1b8bc3fSopenharmony_ci
28b1b8bc3fSopenharmony_ciexport interface BusinessError extends Error {
29b1b8bc3fSopenharmony_ci    code: number;
30b1b8bc3fSopenharmony_ci}
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