import { IMappingFunctions, IMappingOptionsExtra, Mapping } from '../interfaces';
import { JsonMapper } from '../mapper';
/**
 * A custom decorator factory function, in order to allow defining custom reusable decorators.
 *
 * @param serializeFn the function used for serializing the value.
 * @param deserializeFn the function used for deserializing the value.
 */
export declare function makeCustomDecorator<S = any, D = any>(fn: () => IMappingFunctions<S, D>): (params?: string | IMappingOptionsExtra | undefined) => PropertyDecorator;
/**
 * A decorator transforming function, used internally.
 */
export declare function transformDecorator<S = any, D = any>(fn: (opt: IMappingFunctions<S, D>) => IMappingFunctions<S, D>): (params?: string | IMappingOptionsExtra | undefined) => PropertyDecorator;
export declare function mapArray<D, S = any>(mapper: JsonMapper, propertyValue: S, deserializeItem?: Mapping<S, D>, throwIfNotArray?: boolean): D[] | null;