code: def visit_DefNode(self, node):
      # use fake expressions with the right result type
      if node.star_arg:
          self.mark_assignment(
              node.star_arg, TypedExprNode(Builtin.tuple_type, node.pos)
          )
      if node.starstar_arg:
          self.mark_assignment(
              node.starstar_arg,
              TypedExprNode(Builtin.dict_type, node.pos),
          )
      EnvTransform.visit_FuncDefNode(self, node)
      return node
  
imports: from __future__ import absolute_import
  from .Errors import error, message
  from .None import ExprNodes
  from .None import Nodes
  from .None import Builtin
  from .None import PyrexTypes
  from ..None import Utils
  from .PyrexTypes import py_object_type, unspecified_type
  from .Visitor import CythonTransform, EnvTransform
label_desc: Use image node_id 13 for calling the MarkParallelAssignments obj's underlying member method code with example usage: obj.visit_DefNode(node) and returns: node