/usr/ is in libkolabxml-dev 1.1.6-2ubuntu1.
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..
/usr/include/
/usr/include/kolabxml/
/usr/include/kolabxml/global_definitions.h
/usr/include/kolabxml/incidence_p.h
/usr/include/kolabxml/kolabconfiguration.h
/usr/include/kolabxml/kolabcontact.h
/usr/include/kolabxml/kolabcontainers.h
/usr/include/kolabxml/kolabevent.h
/usr/include/kolabxml/kolabevent_p.h
/usr/include/kolabxml/kolabfile.h
/usr/include/kolabxml/kolabformat.h
/usr/include/kolabxml/kolabfreebusy.h
/usr/include/kolabxml/kolabjournal.h
/usr/include/kolabxml/kolabnote.h
/usr/include/kolabxml/kolabtodo.h
/usr/lib/
/usr/lib/cmake/
/usr/lib/cmake/Libkolabxml/
/usr/lib/cmake/Libkolabxml/LibkolabxmlConfig.cmake
/usr/lib/cmake/Libkolabxml/LibkolabxmlConfigVersion.cmake
/usr/lib/cmake/Libkolabxml/LibkolabxmlTargets-none.cmake
/usr/lib/cmake/Libkolabxml/LibkolabxmlTargets.cmake
/usr/share/
/usr/share/doc/
/usr/share/doc/libkolabxml-dev/
/usr/share/doc/libkolabxml-dev/copyright
/usr/lib/libkolabxml.so
/usr/share/doc/libkolabxml-dev/changelog.Debian.gz