code: def typed_mutate(self, seed_input: List):
      if len(seed_input) == 0:
          return self.typed_gen([])
  
      choice = random.randint(0, 3)
      idx = random.randint(0, len(seed_input) - 1)
      if choice == 0:  # remove one element
          seed_input.pop(random.randint(0, len(seed_input) - 1))
      elif (
          choice == 1 and len(seed_input) > 0
      ):  # add one mutated element
          seed_input.insert(
              random.randint(0, len(seed_input) - 1),
              self.typed_mutate(seed_input[idx]),
          )
      elif choice == 2 and len(seed_input) > 0:  # repeat one element
          seed_input.append(seed_input[idx])
      else:  # inplace element change
          seed_input[idx] = self.typed_mutate(seed_input[idx])
      return seed_input
  
imports: import copy
  import random
  import string
  import time
  from typing import Any, Dict, List, Set, Tuple
  from multipledispatch import dispatch
  from evalplus.gen.mut_gen import MutateGen
  from evalplus.gen.util import trusted_check_exec
label_desc: Use image node_id 18 for calling the TypedMutGen obj's underlying member method code with example usage: obj.typed_mutate(seed_input) and returns: seed_input, self