class_docstr: Change a literal block upon visiting it.
class_docstr_tok: ["Change","a","literal","block","upon","visiting","it","."]
code: def unknown_departure(self, node: Node) -> None:
      pass
  
imports: from docutils import nodes
  from sphinx.util.docutils import SphinxDirective
  from sphinx.transforms import SphinxTransform
  from docutils.nodes import Node
label_desc: Use image node_id 3 for calling the LiteralIncludeVisitor obj's underlying member method code with example usage: obj.unknown_departure(node) without return types