import type { DeterministicSortComparator, FilledMangoQuery, MangoQuery, QueryMatcher, RxDocumentData, RxJsonSchema } from './types';
/**
 * Normalize the query to ensure we have all fields set
 * and queries that represent the same query logic are detected as equal by the caching.
 */
export declare function normalizeMangoQuery<RxDocType>(schema: RxJsonSchema<RxDocumentData<RxDocType>>, mangoQuery: MangoQuery<RxDocType>): FilledMangoQuery<RxDocType>;
/**
 * @recursive
 * @mutates the input so that we do not have to deep clone
 */
export declare function normalizeQueryRegex(selector: any): any;
/**
 * Returns the sort-comparator,
 * which is able to sort documents in the same way
 * a query over the db would do.
 */
export declare function getSortComparator<RxDocType>(schema: RxJsonSchema<RxDocumentData<RxDocType>> | RxJsonSchema<RxDocumentData<RxDocType>>, query: FilledMangoQuery<RxDocType> | FilledMangoQuery<RxDocumentData<RxDocType>>): DeterministicSortComparator<RxDocType>;
/**
 * Returns a function
 * that can be used to check if a document
 * matches the query.
 */
export declare function getQueryMatcher<RxDocType>(_schema: RxJsonSchema<RxDocType> | RxJsonSchema<RxDocumentData<RxDocType>>, query: FilledMangoQuery<RxDocType> | FilledMangoQuery<RxDocumentData<RxDocType>>): QueryMatcher<RxDocumentData<RxDocType>>;