import { Database } from "./Database";
import { Container } from "./Container";
import { Muid, AsOf, Meta } from "./typedefs";
export declare class Group extends Container {
    private constructor();
    static get(database?: Database, muid?: Muid): Group;
    static create(database?: Database, meta?: Meta): Promise<Group>;
    /**
     * Includes a Muid or Container in the group.
     * @param key either a container or a Muid to include
     * @param change an optional bundler to put this change into
     * @returns a promise that resolves to the Muid for the inclusion
     */
    include(key: Container, meta?: Meta): Promise<Muid>;
    /**
     * Excludes a Muid or Container from the group.
     * @param key either a Muid or container to exclude
     * @param change an optional bundler to put this in
     * @returns a promise that resolves to the Muid for the exclusion
     */
    exclude(key: Container, meta?: Meta): Promise<Muid>;
    /**
     * This returns the number of inclusions only, NOT exclusions.
     * @returns how many containers are included in the group
     */
    size(): Promise<number>;
    /**
     * Whether or not the given key is explicitly included in the group.
     * @param key either a Muid or container to check if it is included
     * @param asOf optional timestamp to look back to
     * @returns a promise that resolves to a boolean stating whether the key is explicitly included
     */
    isIncluded(key: Muid | Container, asOf?: AsOf): Promise<boolean>;
    /**
     * Function to iterate over the containers in the group.
     * @param asOf optional timestamp to look back to
     * @returns an async iterator across all containers in the group
     */
    getMembers(asOf?: AsOf): AsyncGenerator<Container, void, unknown>;
    /**
     * Dumps the contents of this group to a javascript array.Only includes explicitly included members.
     * useful for debugging and could also be used to export data by walking the tree
     * @param asOf effective time to get the dump for: leave undefined to get data as of the present
     * @returns an array containing Values (e.g. numbers, strings) and Containers (e.g. other Lists, Boxes, Directories)
     */
    includedAsArray(asOf?: AsOf): Promise<Container[]>;
    reset(toTime?: AsOf, recurse?: any, meta?: Meta): Promise<void>;
    /**
     * Generates a JSON representation of the data in the group.
     * Mostly intended for demo/debug purposes.
     * @param indent true to pretty print (not yet implemented)
     * @param asOf optional timestamp to look back to
     * @param seen (internal use only! This prevents cycles from breaking things)
     * @returns a JSON string
     */
    toJson(indent?: number | boolean, asOf?: AsOf, seen?: Set<string>): Promise<string>;
}