+--src-lang java -- root-namespace ../contrib/neo_doxygen/tests/root-namespace/xml
+--src-lang java -- inner-class ../contrib/neo_doxygen/tests/inner-class/xml
+-- python-def ../contrib/neo_doxygen/tests/python-def/xml
+--src-lang python -- python-def ../contrib/neo_doxygen/tests/python-def/xml