protected function getStaticFields()
	{
		$fields = [];
		foreach ($this->info as $info)
		{
			if (is_array($info))
			{
				foreach ($info as $value)
				{
					if ($value instanceof AbstractDto)
					{
						$fields += $value->getStaticFields();
					}
				}
			}
			if ($info instanceof AbstractDto)
			{
				$fields += $info->getStaticFields();
			}
		}

		return $fields;
	}