private static void complain(@NonNls String message, String key, @NotNull Class<?> pluginClass) {
    if (ourReportedKeys.add(key)) {
      // curious why you've gotten this error? Maybe this class' javadoc will help.
      PluginException.logPluginError(LOG, message, null, pluginClass);
    }
  }
private static void complain(@NonNls String message, String key, @NotNull Class<?> pluginClass)