code: def _type_spec(self):
      return _JointDistributionNamedAutoBatchedSpec.from_instance(self)
  
imports: import functools
  import tensorflow.compat.v2
  from tensorflow_probability.python.distributions import joint_distribution_coroutine
  from tensorflow_probability.python.distributions import joint_distribution_named
  from tensorflow_probability.python.distributions import joint_distribution_sequential
  from tensorflow_probability.python.internal import auto_composite_tensor
label_desc: Use image node_id 2 for calling the JointDistributionNamedAutoBatched obj's underlying member method code with example usage: obj._type_spec() and returns: _JointDistributionNamedAutoBatchedSpec