/**
 * Built-in tool router.
 *
 * Routes built-in commands (memory, search, doc, etc.) to their respective
 * @crewx/* package CLI entry points.
 *
 * Copied and adapted from packages/cli-bak/src/cli/builtin.handler.ts.
 */
export declare const BUILTIN_COMMANDS: Set<string>;
/**
 * Wrap main() with tracer.run() if tracer is available.
 * Falls back to direct main() call on any tracer failure.
 */
export declare function wrapWithTracer(builtinName: string, main: (args?: string[]) => Promise<void>, args: string[]): Promise<void>;
export declare function handleBuiltin(builtinName: string, args: string[]): Promise<void>;