import { BaseValidator } from './base';
import type { CustomValidatorType, ValidationNames } from '../types/index';
export declare function custom<T>(validationFn: (value: T) => boolean, message: string): CustomValidator<T>;
export declare class CustomValidator<T> extends BaseValidator<T> implements CustomValidatorType<T> {
  name: ValidationNames;
  constructor(validationFn: (value: T) => boolean, message: string);
}