private static void cleanFileContent(FileContentImpl fc, PsiFile psiFile) {
    if (fc == null) return;
    if (psiFile != null) psiFile.putUserData(PsiFileImpl.BUILDING_STUB, null);
    fc.putUserData(IndexingDataKeys.PSI_FILE, null);
  }
private static void cleanFileContent(FileContentImpl fc, PsiFile psiFile)