## Constants:
-* DEBUG_INFO
+* DEBUG_INFO
Debug callback's $data contains human readable text.
-* DEBUG_IN
+* DEBUG_IN
Debug callback's $data contains data received.
-* DEBUG_OUT
+* DEBUG_OUT
Debug callback's $data contains data sent.
-* DEBUG_HEADER
+* DEBUG_HEADER
Debug callback's $data contains headers.
-* DEBUG_BODY
+* DEBUG_BODY
Debug callback's $data contains a body part.
-* DEBUG_SSL
+* DEBUG_SSL
Debug callback's $data contains SSL data.
## Properties: