class_docstr: Change a literal block upon visiting it.
class_docstr_tok: ["Change","a","literal","block","upon","visiting","it","."]
code: def visit_literal_block(self, node: nodes.literal_block) -> None:
      if "<1>" in node.rawsource:
          source = str(node.rawsource)
          for i in range(1, 20):
              source = source.replace(
                  f"<{i}>", chr(int(f"0x{BASE_NUM + i}", base=16))
              )
          node.rawsource = source
          node[:] = [nodes.Text(source)]
  
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 8 for calling the LiteralIncludeVisitor obj's underlying member method code with example usage: obj.visit_literal_block(node) without return types