import { Table, Filter } from './database';
import { Document, Value } from './types';
export type Result = {
    [key: string]: Map<Value, Document>;
};
export type FieldOptions = '' | '*' | '**' | {
    [key: string]: FieldOptions;
};
export declare function selectTree(table: Table, filter: Filter, options?: FieldOptions): Promise<Result>;
export declare function selectTree2(table: Table, filter: Filter): Promise<Result>;