import type { ValidationOptions } from 'class-validator';
/** @hidden */
export declare const MAP_MAX_SIZE = "mapMaxSize";
/**
 * Checks if the given value is a [Map](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map)
 * with a size less than or equal to `maximum`.
 *
 * #### Example
 * ```typescript
 * // Ensure the map has at most 5 entries.
 * @MapMaxSize(5)
 * values: Map<string, string>
 * ```
 *
 * @category Map
 * @param maximum The maximum allowed size of the map.
 * @param options Generic class-validator options.
 */
export declare function MapMaxSize(maximum: number, options?: ValidationOptions): PropertyDecorator;