import { ChangeSetOperatorFunction } from '../ChangeSetOperatorFunction';
/**
 * Changes the primary key.
 * @typeparam TObject The type of the object.
 * @typeparam TSourceKey The type of the source key.
 * @typeparam TDestinationKey The type of the destination key.
 * @param selector The key selector eg. (item) => newKey;
 */
export declare function changeKey<TObject, TSourceKey, TDestinationKey>(selector: (value: TObject, sourceKey: TSourceKey) => TDestinationKey): ChangeSetOperatorFunction<TObject, TSourceKey, TObject, TDestinationKey>;