/usr/include/vmime/utility/ is in libvmime-dev 0.9.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/vmime/utility/childProcess.hpp
/usr/include/vmime/utility/datetimeUtils.hpp
/usr/include/vmime/utility/encoder/
/usr/include/vmime/utility/encoder/b64Encoder.hpp
/usr/include/vmime/utility/encoder/binaryEncoder.hpp
/usr/include/vmime/utility/encoder/defaultEncoder.hpp
/usr/include/vmime/utility/encoder/eightBitEncoder.hpp
/usr/include/vmime/utility/encoder/encoder.hpp
/usr/include/vmime/utility/encoder/encoderFactory.hpp
/usr/include/vmime/utility/encoder/qpEncoder.hpp
/usr/include/vmime/utility/encoder/sevenBitEncoder.hpp
/usr/include/vmime/utility/encoder/uuEncoder.hpp
/usr/include/vmime/utility/file.hpp
/usr/include/vmime/utility/filteredStream.hpp
/usr/include/vmime/utility/path.hpp
/usr/include/vmime/utility/progressListener.hpp
/usr/include/vmime/utility/random.hpp
/usr/include/vmime/utility/smartPtr.hpp
/usr/include/vmime/utility/smartPtrInt.hpp
/usr/include/vmime/utility/stream.hpp
/usr/include/vmime/utility/stringProxy.hpp
/usr/include/vmime/utility/stringUtils.hpp
/usr/include/vmime/utility/url.hpp
/usr/include/vmime/utility/urlUtils.hpp