rather than `ds`, `bs`.
    *   Fix docstring typos in `tf.distributions.bijectors.Bijector`.
    *   `tf.assert_equal` no longer raises `ValueError.` It now raises
        `InvalidArgumentError,` as documented.
    *   Update Getting Started docs and API intro.
*   Google Cloud Storage (GCS):
    *   Add userspace DNS caching for the GCS client.