@Override
    public @Nullable PsiFileStub<?> buildFileStub(@NotNull FileContent fileContent) throws ClsFormatException {
      PsiFileStub<?> stub = ClsFileImpl.buildFileStub(fileContent.getFile(), fileContent.getContent());
      if (stub == null && fileContent.getFileName().indexOf('$') < 0) {
        LOG.info("No stub built for the file " + fileContent);
      }
      return stub;
    }
@Override
    public @Nullable PsiFileStub<?> buildFileStub(@NotNull FileContent fileContent)