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_ciexport interface Callback<T> { 168c339a94Sopenharmony_ci (data: T): void; 178c339a94Sopenharmony_ci} 188c339a94Sopenharmony_ci 198c339a94Sopenharmony_ciexport interface ErrorCallback<T extends Error = BusinessError> { 208c339a94Sopenharmony_ci (err: T): void; 218c339a94Sopenharmony_ci} 228c339a94Sopenharmony_ci 238c339a94Sopenharmony_ciexport interface AsyncCallback<T> { 248c339a94Sopenharmony_ci (err: BusinessError, data: T): void; 258c339a94Sopenharmony_ci} 268c339a94Sopenharmony_ci 278c339a94Sopenharmony_ciexport interface BusinessError extends Error { 288c339a94Sopenharmony_ci code: number; 298c339a94Sopenharmony_ci} 30