com.eviware.soapui.config package is missing in https://github.com/SmartBear/soapui

Hi,
I have cloned soapui code from https://github.com/SmartBear/soapui and tried to change the code for my project, but i wonder that i couldn't find  com.eviware.soapui.config after clonning. could you please help how to get this package ?