/**
* Register an event listener.
*
- * @param event The event.
- * @param handler The event listener.
+ * @param event - The event.
+ * @param handler - The event listener.
*/
on: ((event: 'message', handler: MessageHandler<this>) => void) &
((event: 'error', handler: ErrorHandler<this>) => void) &
/**
* Register a listener to the exit event that will only performed once.
*
- * @param event `'exit'`.
- * @param handler The exit handler.
+ * @param event - `'exit'`.
+ * @param handler - The exit handler.
*/
once: (event: 'exit', handler: ExitHandler<this>) => void
}