code: public void setParameterType(JvmTypeReference newParameterType)
  	{
  		if (newParameterType != parameterType)
  		{
  			NotificationChain msgs = null;
  			if (parameterType != null)
  				msgs = ((InternalEObject)parameterType).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - TypesPackage.JVM_FORMAL_PARAMETER__PARAMETER_TYPE, null, msgs);
  			if (newParameterType != null)
  				msgs = ((InternalEObject)newParameterType).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - TypesPackage.JVM_FORMAL_PARAMETER__PARAMETER_TYPE, null, msgs);
  			msgs = basicSetParameterType(newParameterType, msgs);
  			if (msgs != null) msgs.dispatch();
  		}
  		else if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, TypesPackage.JVM_FORMAL_PARAMETER__PARAMETER_TYPE, newParameterType, newParameterType));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated