@Nullable
    public Relationship delivers(@Nonnull Person destination, String description, String technology, InteractionStyle interactionStyle) {
        return uses(destination, description, technology, interactionStyle);
    }
@ Nullable public Relationship delivers ( @ Nonnull Person destination , String description , String technology , InteractionStyle interactionStyle ) { return uses ( destination , description , technology , interactionStyle ) ; }
Adds a unidirectional relationship between this element and a person.

@param destination      the target of the relationship
@param description      a description of the relationship (e.g. "sends e-mail to")
@param technology       the technology details (e.g. JSON/HTTPS)
@param interactionStyle the interaction style (sync vs async)
@return the relationship that has just been created and added to the model