import { Collection } from './collection';
import { Document } from './document';
import { SortData } from './types/types';
declare class Index {
    name: string;
    private _collection;
    private _index;
    private _sortData;
    constructor(collection: Collection, name: string, sortData?: SortData[]);
    empty(): void;
    insert(doc: Document): void;
    remove(doc: Document): void;
    values(): Document[];
}
export { Index };