code: @Command(name = "GetLoggingLevel", inTypeDesc = "Device list", outTypeDesc = "Lg[i]=Logging Level. Str[i]=Device name.")
      public DevVarLongStringArray getLoggingLevel(final String[] deviceNames) {
          final int[] levels = new int[deviceNames.length];
          for (int i = 0; i < levels.length; i++) {
              levels[i] = LoggingManager.getInstance().getLoggingLevel(deviceNames[i]);
          }
          return new DevVarLongStringArray(levels, deviceNames);
      }
docs: Get the logging level
  
  @param deviceNames
  @return the current logging levels