import type { ValidatorConstraintInterface, ValidationArguments, ValidationOptions } from 'class-validator';
export interface IsTimestampValidationOptions extends ValidationOptions {
    /**
     * Whether to allow the special infinity timestamp strings: `infinity`, `+infinity`, and `-infinity`.
     *
     * @default true
     */
    allowInfinity?: boolean;
    isAfter?: (dto: object) => string | null | undefined;
    isBefore?: (dto: object) => string | null | undefined;
    isSameOrAfter?: (dto: object) => string | null | undefined;
    isSameOrBefore?: (dto: object) => string | null | undefined;
}
/** Validate that the value is a string of format ISO8601 or (+-)infinity */
export declare function IsTimestamp(validationOptions?: IsTimestampValidationOptions): PropertyDecorator;
export declare class IsTimestampValidator implements ValidatorConstraintInterface {
    validate(dateValue: unknown, args: ValidationArguments): boolean;
    defaultMessage(args: ValidationArguments): string;
}