CXX_MODULE_SETS --------------- .. note :: Experimental. Gated by ``CMAKE_EXPERIMENTAL_CXX_MODULE_CMAKE_API`` Read-only list of the target's ``PRIVATE`` and ``PUBLIC`` C++ module sets (i.e. all file sets with the type ``CXX_MODULES``). Files listed in these file sets are treated as source files for the purpose of IDE integration. C++ module sets may be defined using the :command:`target_sources` command ``FILE_SET`` option with type ``CXX_MODULES``. See also :prop_tgt:`CXX_MODULE_SET_`, :prop_tgt:`CXX_MODULE_SET` and :prop_tgt:`INTERFACE_CXX_MODULE_SETS`.