1/* 2* Copyright (c) 2022 Shenzhen Kaihong Digital Industry Development Co., Ltd. 3* Licensed under the Apache License, Version 2.0 (the "License"); 4* you may not use this file except in compliance with the License. 5* You may obtain a copy of the License at 6* 7* http://www.apache.org/licenses/LICENSE-2.0 8* 9* Unless required by applicable law or agreed to in writing, software 10* distributed under the License is distributed on an "AS IS" BASIS, 11* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12* See the License for the specific language governing permissions and 13* limitations under the License. 14*/ 15export interface Callback<T> { 16 (data: T): void; 17} 18 19export interface ErrorCallback<T extends Error = BusinessError> { 20 (err: T): void; 21} 22 23export interface AsyncCallback<T> { 24 (err: BusinessError, data: T): void; 25} 26 27export interface BusinessError extends Error { 28 code: number; 29} 30