private static void initFileContent(@NotNull FileContentImpl fc, PsiFile psiFile) {
    if (psiFile != null) {
      psiFile.putUserData(PsiFileImpl.BUILDING_STUB, true);
      fc.putUserData(IndexingDataKeys.PSI_FILE, psiFile);
    }
  }
private static void initFileContent(@NotNull FileContentImpl fc, PsiFile psiFile)