/usr/include/dynamic_reconfigure/ is in libdynamic-reconfigure-config-init-mutex-dev 1.5.39-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/dynamic_reconfigure/BoolParameter.h
/usr/include/dynamic_reconfigure/Config.h
/usr/include/dynamic_reconfigure/ConfigDescription.h
/usr/include/dynamic_reconfigure/DoubleParameter.h
/usr/include/dynamic_reconfigure/Group.h
/usr/include/dynamic_reconfigure/GroupState.h
/usr/include/dynamic_reconfigure/IntParameter.h
/usr/include/dynamic_reconfigure/ParamDescription.h
/usr/include/dynamic_reconfigure/Reconfigure.h
/usr/include/dynamic_reconfigure/ReconfigureRequest.h
/usr/include/dynamic_reconfigure/ReconfigureResponse.h
/usr/include/dynamic_reconfigure/SensorLevels.h
/usr/include/dynamic_reconfigure/StrParameter.h
/usr/include/dynamic_reconfigure/config_init_mutex.h
/usr/include/dynamic_reconfigure/config_tools.h
/usr/include/dynamic_reconfigure/server.h