code: def _outer_squared_difference(x, y):
      """Convenience function analogous to tf.squared_difference."""
      z = x - y
      return z[..., tf.newaxis, :] * z[..., tf.newaxis]
  
imports: import warnings
  import tensorflow.compat.v2
  from tensorflow_probability.python.distributions import batch_broadcast
  from tensorflow_probability.python.distributions import categorical
  from tensorflow_probability.python.distributions import distribution
  from tensorflow_probability.python.distributions import independent
  from tensorflow_probability.python.internal import assert_util
  from tensorflow_probability.python.internal import auto_composite_tensor
  from tensorflow_probability.python.internal import custom_gradient
  from tensorflow_probability.python.internal import dtype_util
  from tensorflow_probability.python.internal import parameter_properties
  from tensorflow_probability.python.internal import prefer_static
  from tensorflow_probability.python.internal import reparameterization
  from tensorflow_probability.python.internal import samplers
  from tensorflow_probability.python.internal import tensorshape_util
  from tensorflow_probability.python.math.gradient import value_and_batch_jacobian
label_desc: Use image node_id 1 for calling a global function with example usage: _outer_squared_difference(x, y) and returns: unknown