/usr/include/ is in libcrmcommon-dev 1.1.16-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/pacemaker/
/usr/include/pacemaker/crm/
/usr/include/pacemaker/crm/attrd.h
/usr/include/pacemaker/crm/common/
/usr/include/pacemaker/crm/common/ipc.h
/usr/include/pacemaker/crm/common/iso8601.h
/usr/include/pacemaker/crm/common/logging.h
/usr/include/pacemaker/crm/common/mainloop.h
/usr/include/pacemaker/crm/common/util.h
/usr/include/pacemaker/crm/common/xml.h
/usr/include/pacemaker/crm/compatibility.h
/usr/include/pacemaker/crm/crm.h
/usr/include/pacemaker/crm/error.h
/usr/include/pacemaker/crm/msg_xml.h
/usr/include/pacemaker/crm/transition.h
/usr/include/pacemaker/crm_config.h