public function compileObject(Fluent $fluent)
    {
        $blueprint = new Blueprint($fluent->type);

        /* @var \Closure $callback */
        $callback = $fluent->callback;

        if (is_callable($callback)) {
            $callback($blueprint);
        }

        return [
            'properties' => $this->compileFields($blueprint->getFields()),
        ];
    }