private static @NotNull PluginExportData getPluginExportData(@NotNull EditorColorsScheme scheme) {
    PluginExportData data = new PluginExportData(scheme.getMetaProperties());
    if (data.isEmpty() && scheme instanceof AbstractColorsScheme && !scheme.isReadOnly()) {
      EditorColorsScheme original = ((AbstractColorsScheme)scheme).getOriginal();
      if (original != null) {
        return getPluginExportData(original);
      }
    }
    return data;
  }
private static @NotNull PluginExportData getPluginExportData(@NotNull EditorColorsScheme scheme)