signal inversion in softwareserial?

Does Softwareserial have signal inversion like newsoftserial did? (tx, rx, true)

I'll answer my own question, yes it does: SoftwareSerial mySerial(4, 5, true); works.

Well you can always check the SoftwareSerial.h header file to see if its supported.

Eg, there is no mention of sofwareserial.flush() in page but checking SoftwareSerial.h header files, we can see that it is still supported.