public @Nls(capitalization = Nls.Capitalization.Sentence) @NotNull String getGroupDisplayName() {
    if (myNameProvider != null) {
      String name = myNameProvider.getDefaultGroupDisplayName();
      if (name != null) {
        return name;
      }
    }
    PluginException.logPluginError(LOG, getClass() + ": group display name should be overridden or configured via XML ", null, getClass());
    return "";
  }
public @Nls(capitalization = Nls.Capitalization.Sentence) @NotNull String getGroupDisplayName()