code: def visit_dict(self, node, visited_children):
      (
          tdict,
          _,
          angle_bracket,
          kt,
          comma,
          vt,
          angle_bracket,
      ) = visited_children
      return types.tdict(kt, vt)
  
imports: from parsimonious import Grammar, NodeVisitor
  from hail.expr.nat import NatVariable
  from .None import types
  from hail.utils.java import unescape_parsable
label_desc: Use image node_id 16 for calling the TypeConstructor obj's underlying member method code with example usage: obj.visit_dict(node, visited_children) and returns: types