code: function UMLPort() {
          UMLAttribute.apply(this, arguments);
  
          /** @member {boolean} */
          this.isBehavior = false;
  
          /** @member {boolean} */
          this.isService = false;
  
          /** @member {boolean} */
          this.isConjugated = false;
      }
docs: ************************************************************************
  *
  COMPOSITE STRUCTURES                          *
  *
  ************************************************************************ 
  UMLPort
  @constructor
  @extends UMLAttribute