code: func (n *NodeApplyableOutput) DotNode(name string, opts *dag.DotOpts) *dag.DotNode {
  	return &dag.DotNode{
  		Name: name,
  		Attrs: map[string]string{
  			"label": n.Name(),
  			"shape": "note",
  		},
  	}
  }
docs: // dag.GraphNodeDotter impl.