code: def visit_interval(self, node, visited_children):
      (
          tinterval,
          _,
          angle_bracket,
          point_t,
          angle_bracket,
      ) = visited_children
      return types.tinterval(point_t)
  
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 22 for calling the TypeConstructor obj's underlying member method code with example usage: obj.visit_interval(node, visited_children) and returns: types