export declare class IndexedDBHelper {
    private storage;
    constructor(dbName: string, storeName: string);
    init(): Promise<void>;
    storeData(value: any): Promise<string>;
    storeDataBatch(dataArray: any[]): Promise<string>;
    storeDataRemoveBatch(Array: any[]): Promise<string>;
    readData(key: string): Promise<unknown>;
    readDataBatch(keys: string[]): Promise<{
        key: string;
        value: unknown;
    }[]>;
    getAllData(): Promise<any[]>;
    hasData(): Promise<boolean>;
    deleteTable(): Promise<void>;
    clear(): Promise<void>;
}
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