@Override
  public void warning(final Message message) {
    logWrapper.logIfEnabled(loggerName, Level.WARN, null, message, null);
  }
Logs the specified Message at the {@code Level.WARN} level.

@param message the message string to be logged
geode-core/src/main/java/org/apache/geode/logging/internal/log4j/LogWriterLogger.java