import { ValidationArguments, ValidationOptions, ValidatorConstraintInterface } from 'class-validator';
import { DateRangeObject } from './DateRangeObject.interface';
export declare class DateRangeValidator implements ValidatorConstraintInterface {
    validate(_: DateRangeObject, args: ValidationArguments): boolean;
    defaultMessage(args: ValidationArguments): string;
}
export declare function ValidDateRange(validationOptions?: ValidationOptions): (object: Function) => void;