/usr/include/ is in liborbit2-dev 1:2.14.19-0.1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/orbit-2.0/
/usr/include/orbit-2.0/orbit/
/usr/include/orbit-2.0/orbit/orbit.h
/usr/include/orbit-2.0/orbit/orbit-types.h
/usr/include/orbit-2.0/orbit/dynamic/
/usr/include/orbit-2.0/orbit/dynamic/dynamic-defs.h
/usr/include/orbit-2.0/orbit/dynamic/dynamic.h
/usr/include/orbit-2.0/orbit/poa/
/usr/include/orbit-2.0/orbit/poa/portableserver-poa-type.h
/usr/include/orbit-2.0/orbit/poa/poa-defs.h
/usr/include/orbit-2.0/orbit/poa/poa-types.h
/usr/include/orbit-2.0/orbit/poa/poa-policy.h
/usr/include/orbit-2.0/orbit/poa/poa.h
/usr/include/orbit-2.0/orbit/poa/portableserver-current-type.h
/usr/include/orbit-2.0/orbit/poa/poa-basics.h
/usr/include/orbit-2.0/orbit/poa/orbit-adaptor.h
/usr/include/orbit-2.0/orbit/orbit-config.h
/usr/include/orbit-2.0/orbit/util/
/usr/include/orbit-2.0/orbit/util/orbit-util.h
/usr/include/orbit-2.0/orbit/util/basic_types.h
/usr/include/orbit-2.0/orbit/util/orbit-genrand.h
/usr/include/orbit-2.0/orbit/orb-core/
/usr/include/orbit-2.0/orbit/orb-core/allocators.h
/usr/include/orbit-2.0/orbit/orb-core/orbit-small.h
/usr/include/orbit-2.0/orbit/orb-core/corba-object-type.h
/usr/include/orbit-2.0/orbit/orb-core/corba-nvlist.h
/usr/include/orbit-2.0/orbit/orb-core/orbit-object.h
/usr/include/orbit-2.0/orbit/orb-core/orbit-interface.h
/usr/include/orbit-2.0/orbit/orb-core/corba-defs.h
/usr/include/orbit-2.0/orbit/orb-core/corba-environment-type.h
/usr/include/orbit-2.0/orbit/orb-core/orb-types.h
/usr/include/orbit-2.0/orbit/orb-core/corba-context.h
/usr/include/orbit-2.0/orbit/orb-core/corba-typecode.h
/usr/include/orbit-2.0/orbit/orb-core/corba-string.h
/usr/include/orbit-2.0/orbit/orb-core/corba-object.h
/usr/include/orbit-2.0/orbit/orb-core/corba-any.h
/usr/include/orbit-2.0/orbit/orb-core/orb-core.h
/usr/include/orbit-2.0/orbit/orb-core/corba-any-type.h
/usr/include/orbit-2.0/orbit/orb-core/corba-orb.h
/usr/include/orbit-2.0/orbit/orb-core/corba-context-type.h
/usr/include/orbit-2.0/orbit/orb-core/corba-orb-type.h
/usr/include/orbit-2.0/orbit/orb-core/corba-policy-type.h
/usr/include/orbit-2.0/orbit/orb-core/iop-defs.h
/usr/include/orbit-2.0/orbit/orb-core/corba-environment.h
/usr/include/orbit-2.0/orbit/orb-core/orb-core-types.h
/usr/include/orbit-2.0/orbit/orb-core/corba-pobj.h
/usr/include/orbit-2.0/orbit/orb-core/corba-typecode-type.h
/usr/include/orbit-2.0/orbit-idl/
/usr/include/orbit-2.0/orbit-idl/orbit-idl-backend.h
/usr/include/orbit-2.0/ORBitservices/
/usr/include/orbit-2.0/ORBitservices/CosNaming_impl.h
/usr/include/orbit-2.0/ORBitservices/CosNaming.h
/usr/include/orbit-2.0/ORBitservices/orbit-imodule.h