/**
* Returns the Content Type
*
- * @return string[] the Content Types
+ * @return string the Content Type
*/
public function getContentType();
*
* @param string $header optional header field. Return all fields if empty
*
- * @return string[] the headers or the specified content of the header variable
+ * @return string the headers or the specified content of the header variable
*/
public function getHeader($header);