code: private void parseMsgSize(Map<Object, Object> props) {
          String value = (String) props.get(HttpConfigConstants.PROPNAME_MSG_SIZE_LIMIT);
          if (null != value) {
              try {
                  this.msgSizeLimit = Long.parseLong(value);
                  if (HttpConfigConstants.UNLIMITED > getMessageSize()) {
                      if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
                          Tr.event(tc, "Config: Invalid size, setting to unlimited: " + this.msgSizeLimit);
                      }
                      this.msgSizeLimit = HttpConfigConstants.UNLIMITED;
                  }
              } catch (NumberFormatException e) {
                  // no FFDC required
                  if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
                      Tr.event(tc, "Config: Invalid maximum message size; " + value);
                  }
              }
          }
      }
docs: Parse the standard limit on an incoming message size.
  
  @param props