export interface PowerAuthStorageUtilsIfc {
    setString(key: string, value: string, storageType: string): Promise<void>;
    getString(key: string, storageType: string): Promise<string | null>;
    exists(key: string, storageType: string): Promise<boolean>;
    remove(key: string, storageType: string): Promise<boolean>;
}
export declare const NativeStorageUtils: PowerAuthStorageUtilsIfc;