@NotNull
  private List<Project> ensureFileBelongsToIndexableFilter(int fileId, @NotNull VirtualFile file) {
    return myIndexableFilesFilterHolder.ensureFileIdPresent(fileId, () -> getContainingProjects(file));
  }
@NotNull
  private List<Project> ensureFileBelongsToIndexableFilter(int fileId, @NotNull VirtualFile file)