import { ForageError } from '../interfaces';
import UseCase from '../interfaces/UseCase/types';
export declare const isEmpty: (obj: any) => boolean;
export declare const getOperandName: (operand: any) => string;
export declare const isForagePinElement: (useCase: UseCase) => boolean;
/**
 * Util to check if an unknown error is a "single" ForageError (object)
 * Assumes format { code, message, httpStatusCode }
 */
export declare const isSingleForageErrorObject: (unknownError: unknown) => boolean;
/**
 * Util to check if an unknown error is a ForageError
 * Assumes format { errors: [{ code, message, httpStatusCode }] }
 */
export declare const isForageErrorWithErrorsList: (unknownError: unknown) => boolean;
/**
 * Converts unknown error type to a forage error
 * - if forageErr, returns
 * - if regular error, uses message as the error message
 * - otherwise, returns an unknown server error
 * Used as a fallback mapper, in case we receive a malformed error shape
 */
export declare const unknownToForageError: (unknownError: unknown) => ForageError;