import dayjs from 'dayjs';
import { Type } from '../../../lib/type';
import { FTypes } from '../../types';
declare type _SpanOption = {
    since: dayjs.Dayjs;
    until: dayjs.Dayjs;
};
export declare type SpanQueryOption = _SpanOption | Type.SetOptional<_SpanOption, 'since'> | Type.SetOptional<_SpanOption, 'until'>;
export declare const CreatedWithin: <T>(query: import("firebase").default.firestore.Query<T> | FirebaseFirestore.Query<T>) => ({ since, until, }: SpanQueryOption) => import("firebase").default.firestore.Query<T> | FirebaseFirestore.Query<T>;
export declare const Combine: <T>(query: import("firebase").default.firestore.Query<T> | FirebaseFirestore.Query<T>) => <Ss extends ((query: import("firebase").default.firestore.Query<T> | FirebaseFirestore.Query<T>) => (arg: any) => any)[]>(...Selectors: Ss) => (...args: { [I in keyof Ss]: Parameters<ReturnType<Ss[I]>>[0]; }) => import("firebase").default.firestore.Query<T> | FirebaseFirestore.Query<T>;
export {};