Predicate<? super K> keyPredicate) {
    return compose(keyPredicate, Maps.<K>keyFunction());
  }

  static <V extends @Nullable Object> Predicate<Entry<?, V>> valuePredicateOnEntries(
      Predicate<? super V> valuePredicate) {
    return compose(valuePredicate, Maps.<V>valueFunction());
  }

  /**

   *     the returned future.
   * @param executor Executor to run the function in.
   * @return A future that holds result of the transformation.
   * @since 9.0 (in 2.0 as {@code compose})
   */
  public static <I extends @Nullable Object, O extends @Nullable Object>
      ListenableFuture<O> transform(
          ListenableFuture<I> input, Function<? super I, ? extends O> function, Executor executor) {

   *     the returned future.
   * @param executor Executor to run the function in.
   * @return A future that holds result of the transformation.
   * @since 9.0 (in 2.0 as {@code compose})
   */
  public static <I extends @Nullable Object, O extends @Nullable Object>
      ListenableFuture<O> transform(
          ListenableFuture<I> input, Function<? super I, ? extends O> function, Executor executor) {

interface{ []byte | string }              // bytestring
interface{ ~[]byte | myString }           // bytestring
</pre>

<p>
Note that <code>bytestring</code> is not a real type; it cannot be used to declare
variables or compose other types. It exists solely to describe the behavior of some
operations that read from a sequence of bytes, which may be a byte slice or a string.
</p>

<h3 id="Type_identity">Type identity</h3>

<p>

* ✏ Fix minor typos in `docs/en/docs/async.md`. PR [#5125](https://github.com/tiangolo/fastapi/pull/5125) by [@Ksenofanex](https://github.com/Ksenofanex).
* 📝 Add external link to docs: "Fastapi, Docker(Docker compose) and Postgres". PR [#5033](https://github.com/tiangolo/fastapi/pull/5033) by [@krishnardt](https://github.com/krishnardt).