import { ExternalValidator, Field, Form, SingleFunctionValidator } from './types';
export declare const checkIsFilled: (value: any) => boolean;
export declare const getForm: (name: string) => Form | undefined;
export declare const pickField: (fields: Field[], fieldName: string) => Field | undefined;
export declare const getField: (formName: string, fieldName: string) => Field | undefined;
export declare const getFields: (formName: string, fieldNames?: string[] | undefined) => Field[];
export declare const externalToSingleFunctionValidator: (externalValidator: ExternalValidator) => SingleFunctionValidator;