@Override
  public void enableLoggingToStandardOutput() {
    Configuration log4jConfiguration = getRootLoggerContext().getConfiguration();
    Appender appender = log4jConfiguration.getAppender(GEODE_CONSOLE_APPENDER_NAME);
    if (appender instanceof PausableAppender) {
      PausableAppender geodeConsoleAppender = (PausableAppender) appender;
      geodeConsoleAppender.resume();
    }
  }
Name of variable that is set to "true" in log4j2.xml to indicate that it is the default geode
config xml.
geode-log4j/src/main/java/org/apache/geode/logging/log4j/internal/impl/Log4jLoggingProvider.java