import type { ValidationOptions } from 'class-validator';
/** @hidden */
export declare const PAST_DATE = "pastDate";
/**
 * Checks if the given value is a Date object in the past.
 *
 * Beware that the behaviour of this check depends on the current time and can thus be difficult to test.
 *
 * #### Example
 * ```typescript
 * // Ensure the value is in the past.
 * @PastDate()
 * created: Date
 * ```
 *
 * @category Date
 * @param options Generic class-validator options.
 */
export declare function PastDate(options?: ValidationOptions): PropertyDecorator;