/usr/lib/erlang/lib/cosProperty-1.2.1/ is in erlang-dev 1:19.2.1+dfsg-2+deb9u2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/erlang/lib/cosProperty-1.2.1/include/
/usr/lib/erlang/lib/cosProperty-1.2.1/include/CosPropertyService.hrl
/usr/lib/erlang/lib/cosProperty-1.2.1/include/CosPropertyService_PropertiesIterator.hrl
/usr/lib/erlang/lib/cosProperty-1.2.1/include/CosPropertyService_PropertyNamesIterator.hrl
/usr/lib/erlang/lib/cosProperty-1.2.1/include/CosPropertyService_PropertySet.hrl
/usr/lib/erlang/lib/cosProperty-1.2.1/include/CosPropertyService_PropertySetDef.hrl
/usr/lib/erlang/lib/cosProperty-1.2.1/include/CosPropertyService_PropertySetDefFactory.hrl
/usr/lib/erlang/lib/cosProperty-1.2.1/include/CosPropertyService_PropertySetFactory.hrl
/usr/lib/erlang/lib/cosProperty-1.2.1/include/oe_CosProperty.hrl