import type { Query } from 'sift';
type FindOptions<TRecord> = {
    query?: Query<TRecord>;
    records: Array<TRecord>;
};
/**
 * @description
 * Use this helper to return the index of the first element in the array where predicate is true, and -1 otherwise.
 */
export declare const findIndex: <TRecord>(options: FindOptions<TRecord>) => number;
export {};