isForwardingOutport(inport, outport) {
    let inportName; let
      outportName;
    if (typeof inport === 'string') {
      inportName = inport;
    } else {
      inportName = inport.name;
    }
    if (typeof outport === 'string') {
      outportName = outport;
    } else {
      outportName = outport.name;
    }
    if (!inportName || !outportName) {
      return false;
    }
    if (!this.forwardBrackets[inportName]) { return false; }
    if (this.forwardBrackets[inportName].indexOf(outportName) !== -1) { return true; }
    return false;
  }
@param {InPort|string} inport
@param {OutPort|string} outport
@returns {boolean}