/// <reference types="node" />
import * as Discord from 'discord.js';
import { Command } from './Command';
import { EventEmitter } from 'events';
/**
 * Represents the commands and options of a single bot
 */
export declare class System extends EventEmitter {
    /** The prefix used for detecting commands */
    prefix: string;
    /** The client of the command system */
    client: Discord.Client;
    /** An array of commands */
    commands: Command[];
    /** The client application of the client, only used to get the owner ID */
    application: Discord.ClientApplication | undefined;
    /** The ID of the bot owner */
    ownerID: string | undefined;
    private setValues;
    /**
    * Makes a new command system with no commands except the default commands (ping, help)
  * @example
    * ```typescript
  * const Discord = require('discord.js');
  * const CommandSystem = require('cumsystem');
  *
  * const client = new Discord.Client();
  * const cs = new CommandSystem.System(client, '!');
    * ```
    * @param {Discord.Client} client The client of the command system
    * @param {string} prefix The prefix to use for command detection
    */
    constructor(client: Discord.Client, prefix: string);
    /**
   * Add a command to the commands list
     * @example
     * ```typescript
     * cs.addCommand(new CommandSystem.SimpleCommand('hi', () => {
   *   return 'hello!';
     * }));
     * ```
   * @param {Command} command The command itself
   */
    addCommand(command: Command): void;
    /**
   * Sets a client for the command system to use
   * @param {Discord.Client} clientSet The client
   */
    setClient(clientSet: Discord.Client): void;
    /**
   * Sets a prefix for the command system to use
   * @param {string} prefixSet The prefix
   */
    setPrefix(prefixSet: string): void;
    /**
     * Set a key to a value in the system (useful for passing values through modules without directly passing them to the function)
     * @param {string} key
     * @param {any} value
     */
    set(key: string, value: any): any;
    /**
     * Get a value from a key in the system
     * @param {string} key
     */
    get(key: string): any;
    /**
   * Parses messages, recommended to put in your client message listener
   * @param {Discord.Message} message The message
   * @param {string} prefixOverride A prefix override to use instead of the default one, useful for custom prefixes
   */
    parseMessage(message: Discord.Message, prefixOverride?: string): void;
}