## Returns:
* http\Message, self.
-* false, if the message was not of type request.
-## Notices:
+## Throws:
-* E_MESSAGE_TYPE, if the message is not of type request.
-
-## Warnings:
-
-* E_INVALID_PARAM, if the url is of zero length.
+* http\Exception\InvalidArgumentException
+* http\Exception\BadMethodCallException
## Example: