code: def enter_SelectionSet(self, node):
      named_type = get_named_type(self.get_type())
      composite_type = None
      if is_composite_type(named_type):
          composite_type = named_type
      self._parent_type_stack.append(composite_type)
  
imports: from ..language import visitor_meta
  from ..type.definition import GraphQLInputObjectType, GraphQLList, get_named_type, get_nullable_type, is_composite_type
  from .get_field_def import get_field_def
  from .type_from_ast import type_from_ast
label_desc: Use image node_id 10 for calling the TypeInfo obj's underlying member method code with example usage: obj.enter_SelectionSet(node) without return types