@NotNull
  private Map<String, CommonCodeStyleSettings> getCommonSettingsMap() {
    Map<String, CommonCodeStyleSettings> commonSettingsMap = myCommonSettingsMap;
    if (commonSettingsMap == null) {
      synchronized (this) {
        commonSettingsMap = myCommonSettingsMap;
        if (commonSettingsMap == null) {
          commonSettingsMap = initCommonSettingsMap();
          initNonReadSettings();
        }
      }
    }
    return commonSettingsMap;
  }
@NotNull
  private Map<String, CommonCodeStyleSettings> getCommonSettingsMap()