code: public EList<JvmTypeReference> getParamTypes()
  	{
  		if (paramTypes == null)
  		{
  			paramTypes = new EObjectContainmentEList<JvmTypeReference>(JvmTypeReference.class, this, XtypePackage.XFUNCTION_TYPE_REF__PARAM_TYPES);
  		}
  		return paramTypes;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated