HEADER_SETS ----------- .. versionadded:: 3.23 Read-only list of the target's ``PRIVATE`` and ``PUBLIC`` header sets (i.e. all file sets with the type ``HEADERS``). Files listed in these file sets are treated as source files for the purpose of IDE integration. The files also have their :prop_sf:`HEADER_FILE_ONLY` property set to ``TRUE``. Header sets may be defined using the :command:`target_sources` command ``FILE_SET`` option with type ``HEADERS``. See also :prop_tgt:`HEADER_SET_`, :prop_tgt:`HEADER_SET` and :prop_tgt:`INTERFACE_HEADER_SETS`.