import type { App } from './app.js';
interface Command {
    (app: App, args: string[]): Promise<void>;
    description: string;
    hidden?: boolean;
    usage: string;
}
/**
 * Command line interface class.
 */
export declare class CLI {
    /**
     * Paths to search for commands.
     */
    commandPaths: string[];
    /**
     * Registered commands.
     */
    commands: Record<string, Command>;
    _app: WeakRef<App>;
    _loaded: boolean | undefined;
    constructor(app: App);
    /**
     * Add a command.
     */
    addCommand(name: string, command: Command): void;
    /**
     * Detect command from environment.
     */
    detectCommand(): string | null;
    /**
     * Start command line interface.
     */
    start(command?: string, ...args: string[]): Promise<void>;
    _listCommands(showAll?: boolean): Promise<void>;
    _loadCommands(): Promise<void>;
}
export {};