public function prepare(
        \Parable\Console\App $app,
        \Parable\Console\Output $output,
        \Parable\Console\Input $input,
        \Parable\Console\Parameter $parameter
    ) {
        $this->app       = $app;
        $this->output    = $output;
        $this->input     = $input;
        $this->parameter = $parameter;

        return $this;
    }