1/* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17export type OnProgressUpdateType = (percentage: number) => void; 18 19export class FunctionUtils { 20 static readonly DO_NOTHING = () => { 21 // do nothing 22 }; 23 24 static readonly DO_NOTHING_ASYNC = (): Promise<void> => { 25 return Promise.resolve(); 26 }; 27} 28