--src-lang any -- foo ../contrib/neo_doxygen/tests/java-project/xml
--src-lang java -- foo ../contrib/neo_doxygen/tests/java-project/xml
--src-lang java -- root-namespace ../contrib/neo_doxygen/tests/root-namespace/xml
--src-lang any -- foo ../contrib/neo_doxygen/tests/java-project/xml
--src-lang java -- foo ../contrib/neo_doxygen/tests/java-project/xml
--src-lang java -- root-namespace ../contrib/neo_doxygen/tests/root-namespace/xml