/usr/ is in libbamtools-dev 2.3.0+dfsg-2.
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..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libbamtools.a
/usr/share/
/usr/share/doc/
/usr/share/doc/libbamtools-dev/
/usr/share/doc/libbamtools-dev/copyright
/usr/share/doc/libbamtools-dev/changelog.Debian.gz
/usr/include/
/usr/include/bamtools/
/usr/include/bamtools/api/
/usr/include/bamtools/api/SamSequence.h
/usr/include/bamtools/api/SamProgram.h
/usr/include/bamtools/api/BamAlignment.h
/usr/include/bamtools/api/IBamIODevice.h
/usr/include/bamtools/api/SamProgramChain.h
/usr/include/bamtools/api/BamReader.h
/usr/include/bamtools/api/algorithms/
/usr/include/bamtools/api/algorithms/Sort.h
/usr/include/bamtools/api/BamAux.h
/usr/include/bamtools/api/BamMultiReader.h
/usr/include/bamtools/api/BamAlgorithms.h
/usr/include/bamtools/api/SamHeader.h
/usr/include/bamtools/api/SamReadGroup.h
/usr/include/bamtools/api/SamReadGroupDictionary.h
/usr/include/bamtools/api/BamIndex.h
/usr/include/bamtools/api/SamConstants.h
/usr/include/bamtools/api/api_global.h
/usr/include/bamtools/api/SamSequenceDictionary.h
/usr/include/bamtools/api/BamConstants.h
/usr/include/bamtools/api/BamWriter.h
/usr/include/bamtools/bamtools_version.h
/usr/include/bamtools/shared/
/usr/include/bamtools/shared/bamtools_global.h
/usr/lib/x86_64-linux-gnu/libbamtools.so