type AddOptions<TRecord> = {
    newRecords: TRecord | Array<TRecord>;
    index?: number;
    records: Array<TRecord>;
};
/**
 * @description
 * Use this helper to add one or more records to the record set at the specified index.
 *
 * The insertion index is zero-based. If omitted or out of bounds, new records are appended at the end.
 */
export declare const add: <TRecord>(options: AddOptions<TRecord>) => Array<TRecord>;
export {};