public function getHeaders(): array
	{
		$headers = [];

		foreach($this->parameters as $key => $value)
		{
			if(strpos($key, 'HTTP_') === 0)
			{
				$headers[substr($key, 5)] = $value;
			}
			elseif(in_array($key, ['CONTENT_LENGTH', 'CONTENT_MD5', 'CONTENT_TYPE']))
			{
				$headers[$key] = $value;
			}
		}

		return $headers;
	}