import { QueryParams } from 'event-reduce-js';
import type { RxQuery, MangoQuery, RxChangeEvent, StringKeys, RxDocumentData } from './types';
export type EventReduceResultNeg = {
    runFullQueryAgain: true;
};
export type EventReduceResultPos<RxDocumentType> = {
    runFullQueryAgain: false;
    changed: boolean;
    newResults: RxDocumentType[];
};
export type EventReduceResult<RxDocumentType> = EventReduceResultNeg | EventReduceResultPos<RxDocumentType>;
export declare function getSortFieldsOfQuery<RxDocType>(primaryKey: StringKeys<RxDocumentData<RxDocType>>, query: MangoQuery<RxDocType>): (string | StringKeys<RxDocType>)[];
export declare const RXQUERY_QUERY_PARAMS_CACHE: WeakMap<RxQuery, QueryParams<any>>;
export declare function getQueryParams<RxDocType>(rxQuery: RxQuery<RxDocType>): QueryParams<RxDocType>;
export declare function calculateNewResults<RxDocumentType>(rxQuery: RxQuery<RxDocumentType>, rxChangeEvents: RxChangeEvent<RxDocumentType>[]): EventReduceResult<RxDocumentType>;