@Override
  public @Nullable Color getEditorTabColor(@NotNull Project project, @NotNull VirtualFile file) {
    FileColorManager colorManager = FileColorManager.getInstance(project);
    return colorManager.isEnabledForTabs() ? colorManager.getFileColor(file) : null;
  }
@Override
  public @Nullable Color getEditorTabColor(@NotNull Project project, @NotNull VirtualFile file)