@switch (inputRequirement) {
                @case (InputRequirement.INPUT_ALLOWED) {
                    This component allows an incoming relationship.
                }
                @case (InputRequirement.INPUT_FORBIDDEN) {
                    This component does not allow an incoming relationship.
                }
                @case (InputRequirement.INPUT_REQUIRED) {
                    This component requires an incoming relationship.
                }
            }
        
     
}