class_docstr: Minimal specification of a `Bijector`.
code: def _forward(self, x):
      self.forward_call_count += 1
      return self._forward_impl(x)
  
imports: from absl.testing import parameterized
  import tensorflow.compat.v2
  from tensorflow_probability.python.internal import cache_util
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 2 for calling the _BareBonesBijector obj's underlying member method code with example usage: obj._forward(x) and returns: self