class_docstr: Only used for jacobian calculations.
code: def __init__(self, forward_min_event_ndims=0):
      super().__init__(
          validate_args=False,
          is_constant_jacobian=False,
          forward_min_event_ndims=forward_min_event_ndims,
          name="exp",
      )
  
imports: import abc
  import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops.distributions import bijector
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 to create a new ExpOnlyJacobian object from inherited base classes: bijector with example: obj = ExpOnlyJacobian(forward_min_event_ndims)