import type { ValidationOptions } from 'class-validator';
/** @hidden */
export declare const MAP_NOT_CONTAINS_KEYS = "mapNotContainsKeys";
/**
 * Checks if the given value is a [Map](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map)
 * which does not contain any of the forbidden keys.
 *
 * #### Example
 * ```typescript
 * // Ensure the map does not contain the keys 13 and 42.
 * @MapNotContainsKeys([13, 42])
 * values: Map<number, string>
 * ```
 *
 * @category Map
 * @param forbidden The values forbidden in the given map.
 * @param options Generic class-validator options.
 * @typeParam Key The type of keys to check for.
 */
export declare function MapNotContainsKeys<Key = unknown>(forbidden: Iterable<Key>, options?: ValidationOptions): PropertyDecorator;