code: def resolve_rnnt_default_loss_name() -> str:
      return RNNT_LOSS_RESOLVER["default"].loss_name
  
imports: import inspect
  import operator
  from dataclasses import dataclass
  from typing import Any, Callable, Dict, List, Optional, Set
  import torch
  from omegaconf import DictConfig, OmegaConf
  from nemo.collections.asr.losses.rnnt_pytorch import MultiblankRNNTLossPytorch, RNNTLossPytorch, TDTLossPytorch
  from nemo.core.classes import Loss, typecheck
  from nemo.core.neural_types import LabelsType, LengthsType, LogprobsType, LossType, NeuralType
  from nemo.core.utils import numba_utils
  from nemo.core.utils.k2_utils import K2_INSTALLATION_MESSAGE
  from nemo.core.utils.numba_utils import NUMBA_INSTALLATION_MESSAGE
  from nemo.utils import logging, logging_mode, model_utils
label_desc: Use image node_id 3 for calling a global function with example usage: resolve_rnnt_default_loss_name() and returns: RNNT_LOSS_RESOLVER