code: protected boolean isMessageHidden(String formattedMsg) {
  
          for (String messageId : hideMessageids) {
              if (formattedMsg.startsWith(messageId)) {
                  return true;
              }
          }
  
          return false;
      }
docs: @param formattedMsg - the msg. The msgId MUST be at the start of the message.
  
  @return true if the message should be "hidden" from messages.log/console.log; false otherwise.