import { Constructable, DecoratorInputWithoutCustomFunctions } from '../interfaces';
export type MapDecoratorInput = DecoratorInputWithoutCustomFunctions & {
    complexType?: Constructable<any>;
};
/**
 * A custom decorator for handling objects as maps.
 *
 * @param params the mapping options to apply to the values of the map.
 */
export declare function JsonMap(params?: MapDecoratorInput): PropertyDecorator;