import type { Query } from 'sift';
type UpdateOptions<TRecord> = {
    changes: Partial<TRecord>;
    query: Query<TRecord>;
    records: Array<TRecord>;
};
/**
 * @description
 * Use this helper to update records in the record set matching the sift query by merging the provided update object.
 *
 * Performs a shallow merge of the update object into matching records.
 */
export declare const update: <TRecord>(options: UpdateOptions<TRecord>) => Array<TRecord>;
export {};