class_docstr: Event space bijector for BatchBroadcast.
code: def _single_event_shape(self):
      return tensorshape_util.concatenate(
          self.bcast_dist.batch_shape, self.bcast_dist.event_shape
      )
  
imports: import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import bijector
  from tensorflow_probability.python.distributions import distribution
  from tensorflow_probability.python.internal import assert_util
  from tensorflow_probability.python.internal import auto_composite_tensor
  from tensorflow_probability.python.internal import parameter_properties
  from tensorflow_probability.python.internal import prefer_static
  from tensorflow_probability.python.internal import tensor_util
  from tensorflow_probability.python.internal import tensorshape_util
label_desc: Use image node_id 2 for calling the _NonCompositeTensorBroadcastingBijector obj's underlying member method code with example usage: obj._single_event_shape() and returns: tensorshape_util