18c339a94Sopenharmony_ci/*
28c339a94Sopenharmony_ci* Copyright (c) 2022 Shenzhen Kaihong Digital Industry Development Co., Ltd. 
38c339a94Sopenharmony_ci* Licensed under the Apache License, Version 2.0 (the "License"); 
48c339a94Sopenharmony_ci* you may not use this file except in compliance with the License. 
58c339a94Sopenharmony_ci* You may obtain a copy of the License at 
68c339a94Sopenharmony_ci*
78c339a94Sopenharmony_ci* http://www.apache.org/licenses/LICENSE-2.0 
88c339a94Sopenharmony_ci*
98c339a94Sopenharmony_ci* Unless required by applicable law or agreed to in writing, software 
108c339a94Sopenharmony_ci* distributed under the License is distributed on an "AS IS" BASIS, 
118c339a94Sopenharmony_ci* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
128c339a94Sopenharmony_ci* See the License for the specific language governing permissions and 
138c339a94Sopenharmony_ci* limitations under the License. 
148c339a94Sopenharmony_ci*/
158c339a94Sopenharmony_ci
168c339a94Sopenharmony_ciexport interface Callback<T> {
178c339a94Sopenharmony_ci    (data: T): void;
188c339a94Sopenharmony_ci}
198c339a94Sopenharmony_ci
208c339a94Sopenharmony_ciexport interface ErrorCallback<T extends Error = BusinessError> {
218c339a94Sopenharmony_ci    (err: T): void;
228c339a94Sopenharmony_ci}
238c339a94Sopenharmony_ci
248c339a94Sopenharmony_ciexport interface AsyncCallback<T> {
258c339a94Sopenharmony_ci    (err: BusinessError, data: T): void;
268c339a94Sopenharmony_ci}
278c339a94Sopenharmony_ci
288c339a94Sopenharmony_ciexport interface BusinessError extends Error {
298c339a94Sopenharmony_ci    code: number;
308c339a94Sopenharmony_ci}
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