code: public Relationship uses(DeploymentNode destination, String description, String technology, InteractionStyle interactionStyle) {
          return getModel().addRelationship(this, destination, description, technology, interactionStyle);
      }
docs: Adds a relationship between this and another deployment node.
  
  @param destination       the destination DeploymentNode
  @param description       a short description of the relationship
  @param technology        the technology
  @param interactionStyle  the interation style (Synchronous vs Asynchronous)
  @return                  a Relationship object