import { Database } from "./Database";
import { Container } from "./Container";
import { Value, Muid, AsOf, Meta } from "./typedefs";
export declare class Box extends Container {
    private constructor();
    static get(database?: Database, muid?: Muid): Box;
    static create(database?: Database, meta?: Meta): Promise<Box>;
    /**
     * Puts a value or a reference to another container in this box.
     * If a bundler is supplied, the function will add the entry to that bundler
     * and return immediately (presumably you know what to do with a CS if you passed it in).
     * If the caller does not supply a bundler, then one is created on the fly, and
     * then this method will await on the CS being added to the database instance.
     * This is to allow simple console usage like:
     *      await myBox.put("some value");
     * @param value
     * @param change an optional bundler to put this in.
     * @returns a promise that resolves to the address of the newly created entry
     */
    set(value: Value | Container, meta?: Meta): Promise<Muid>;
    /**
     * Returns a promise that resolves to the most recent value put in the box, or undefined.
     * @returns undefined, a basic value, or a container
     */
    get(asOf?: AsOf): Promise<Container | Value | undefined>;
    /**
     * checks to see how many things are in the box (will be either 0 or 1)
     * @param asOf Historical time to look
     * @returns 0 or 1 depending on whether there's something in the box.
     */
    size(asOf?: AsOf): Promise<number>;
    reset(toTime?: AsOf, recurse?: any, meta?: Meta): Promise<void>;
    /**
     * checks to see if something is in the box
     * @param asOf
     * @returns true if no value or container is in the box
     */
    isEmpty(asOf?: AsOf): Promise<boolean>;
    /**
     * Generates a JSON representation of the data in the box (the box itself is transparent).
     * Mostly intended for demo/debug purposes.
     * @param indent true to pretty print
     * @param asOf effective time
     * @param seen (internal use only! Prevent cycles from breaking things)
     * @returns a JSON string
     */
    toJson(indent?: number | boolean, asOf?: AsOf, seen?: Set<string>): Promise<string>;
}