import { Collection } from 'discord.js';
import { Command } from '../command/Command';
import { Client } from '../client/Client';
/**
 * @classdesc Stores loaded Commands in a Collection keyed by each Command's `name` property
 * @class CommandRegistry
 * @extends {external:Collection}
 */
export declare class CommandRegistry<T extends Client, K extends string = string, V extends Command<T> = Command<T>> extends Collection<K, V> {
    private readonly client;
    constructor(client: T);
    /**
     * Complete registration of a command and add to the parent
     * collection, erroring on duplicate names and aliases.
     * This is an internal method and should not be used. Use
     * `registerExternal()` instead
     * @private
     */
    _registerInternal(command: V, reload?: boolean, external?: boolean): void;
    /**
     * Run the `init()` method of all loaded commands.
     * This is an internal method and should not be used
     * @private
     */
    _initCommands(): Promise<boolean>;
    /**
     * Register an external command and add it to the `<Client>.commands`
     * [collection]{@link external:Collection}, erroring on duplicate
     * names and aliases. External commands will be preserved when the
     * `reload` command is called.
     *
     * >**Note:** This is intended for Plugins to use to register external
     * commands with the Client instance. Under normal circumstances
     * commands should be added by placing them in the directory passed
     * to the `commandsDir` YAMDBF Client option
     * @param {Client} client YAMDBF Client instance
     * @param {Command} command The Command instance to be registered
     * @returns {void}
     */
    registerExternal(command: Command<any>): void;
    /**
     * Contains all [Command groups]{@link Command#group}
     * @type {string[]}
     */
    readonly groups: string[];
    /**
     * Finds a command by [name]{@link Command#name} or [alias]{@link Command#aliases}
     * @param {string} text The name or alias of the Command
     * @returns {Command}
     */
    findByNameOrAlias(text: string): V;
}