docs: public DeploymentNode addDeploymentNode(String name, String description, String technology, int instances, Map<String, String> properties) {
          DeploymentNode deploymentNode = getModel().addDeploymentNode(this, this.getEnvironment(), name, description, technology, instances, properties);
          if (deploymentNode != null) {
              children.add(deploymentNode);
          }
          return deploymentNode;
      }