@Override
      public void registerFileTypesUsedForIndexing(@NotNull Consumer<? super FileType> fileTypeSink) {
        for (FileIncludeProvider provider : FileIncludeProvider.EP_NAME.getExtensionList()) {
          provider.registerFileTypesUsedForIndexing(fileTypeSink);
        }
      }
@Override
      public void registerFileTypesUsedForIndexing(@NotNull Consumer<? super FileType> fileTypeSink)