@planjs/mobx-persist/typings/adapters/storage.d.ts

enhance-mobx-persist

/**
 * Basic Storage
 */
export default abstract class IStorage {
    getItem(key: string): Promise<string | null>;
    removeItem(key: string): Promise<void>;
    setItem(key: string, value: string): Promise<void>;
    clear(): Promise<void>;
    onChange?(key: string, newValue: string, oldValue: string): void;
}