/usr/include/kvutils/ is in libkvutils-dev 2.8.1-5build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/kvutils/kvu_com_line.h
/usr/include/kvutils/kvu_dbc.h
/usr/include/kvutils/kvu_debug.h
/usr/include/kvutils/kvu_definition_by_contract.h
/usr/include/kvutils/kvu_fd_io.h
/usr/include/kvutils/kvu_inttypes.h
/usr/include/kvutils/kvu_locks.h
/usr/include/kvutils/kvu_message_item.h
/usr/include/kvutils/kvu_message_queue.h
/usr/include/kvutils/kvu_numtostr.h
/usr/include/kvutils/kvu_object_queue.h
/usr/include/kvutils/kvu_procedure_timer.h
/usr/include/kvutils/kvu_rtcaps.h
/usr/include/kvutils/kvu_temporary_file_directory.h
/usr/include/kvutils/kvu_threads.h
/usr/include/kvutils/kvu_timestamp.h
/usr/include/kvutils/kvu_utils.h
/usr/include/kvutils/kvu_value_queue.h