/usr/ is in libkolab-dev 1.0.2-10ubuntu6.
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..
/usr/include/kolab/
/usr/lib/
/usr/lib/cmake/
/usr/lib/cmake/Libkolab/
/usr/lib/cmake/Libkolab/LibkolabConfig.cmake
/usr/lib/cmake/Libkolab/LibkolabTargets-none.cmake
/usr/lib/cmake/Libkolab/LibkolabConfigVersion.cmake
/usr/lib/cmake/Libkolab/LibkolabTargets.cmake
/usr/include/
/usr/include/kolab/commonconversion.h
/usr/include/kolab/errorhandler.h
/usr/include/kolab/kabcconversion.h
/usr/include/kolab/freebusy.h
/usr/include/kolab/kolabobject.h
/usr/include/kolab/kolabdefinitions.h
/usr/include/kolab/kcalconversion.h
/usr/include/kolab/xmlobject.h
/usr/include/kolab/formathelpers.h
/usr/include/kolab/mimeobject.h
/usr/include/kolab/kolab_export.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libkolab-dev/
/usr/share/doc/libkolab-dev/copyright
/usr/lib/libkolab.so
/usr/share/doc/libkolab-dev/changelog.Debian.gz