1/* 2 * Copyright (C) 2024 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 17/** 18 * A simple key-value store interface. 19 */ 20export interface Store { 21 /** 22 * Adds a key-value pair to the store. 23 * @param key The key of the key-value pair. 24 * @param value The value of the key-value pair. 25 */ 26 add(key: string, value: string): void; 27 28 /** 29 * Retrieves the value associated with a key. 30 * @param key The key to retrieve the value for. 31 * @return The value associated with the key, or undefined if the key is not found. 32 */ 33 get(key: string): string | undefined; 34 35 /** 36 * Clears all key-value pairs from the store that match a given substring. 37 * @param keySubstring The substring to match keys against. Only keys that contain this substring will be cleared. 38 */ 39 clear(keySubstring: string): void; 40} 41