import { ErrorUnion, StorageStatisticsFastUnion } from '../outputs';
/**
 * Quickly returns approximate storage usage statistics. Can be called before authorization
 * @param {Object} state
 * @returns {StorageStatisticsFastUnion | ErrorUnion}
 */
export declare type GetStorageStatisticsFastMethod = <ResponseT = StorageStatisticsFastUnion>(state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;