import { Container } from "./Container";
import { Value, Muid, ScalarKey, AsOf, StorageKey, Meta } from "./typedefs";
import { Addressable } from "./Addressable";
export declare class Keyed<GenericType extends ScalarKey | Addressable | [Addressable, Addressable]> extends Container {
    /**
     * Sets a key/value association in a directory.
     * If a bundler is supplied, the function will add the entry to that bundler
     * and return immediately (you'll need to addBundler manually in that case).
     * If the caller does not supply a bundler, then one is created on the fly, and
     * then this method will await on the bundler being added to the database instance.
     * This is to allow simple console usage like:
     *      await myDirectory.set("foo", "bar");
     * @param key
     * @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(key: GenericType, value: Container | Value, meta?: Meta): Promise<Muid>;
    /**
     * Adds a deletion marker (tombstone) for a particular key in the directory.
     * The corresponding value will be seen to be unset in the data model.
     * @param key
     * @param change an optional bundler to put this in.
     * @returns a promise that resolves to the address of the newly created deletion entry
     */
    delete(key: GenericType, meta?: Meta): Promise<Muid>;
    /**
     * Returns a promise that resolves to the most recent value set for the given key, or undefined.
     * @param key
     * @param asOf
     * @returns undefined, a basic value, or a container
     */
    get(key: GenericType, asOf?: AsOf): Promise<Container | Value | undefined>;
    size(asOf?: AsOf): Promise<number>;
    has(key: GenericType, asOf?: AsOf): Promise<boolean>;
    reset(toTime?: AsOf, recurse?: any, meta?: Meta): Promise<void>;
    /**
     * Dumps the contents of this directory into a javascript Map; mostly useful for
     * debugging though also could be used to create a backup of a database.
     * @param asOf effective time to get the dump for, or undefined for the present
     * @returns a javascript map from keys (numbers or strings) to values or containers
     */
    toMap(asOf?: AsOf): Promise<Map<StorageKey, Value | Container>>;
    /**
     * Generates a JSON representation of the data in this container.
     * Mostly intended for demo/debug purposes.
     * @param indent true to pretty print
     * @param asOf effective time
     * @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>;
}