Iterable<String> list = newArrayList("cool", "pants");
    assertThat(Iterables.tryFind(list, Predicates.equalTo("cool"))).hasValue("cool");
    assertThat(Iterables.tryFind(list, Predicates.equalTo("pants"))).hasValue("pants");
    assertThat(Iterables.tryFind(list, Predicates.alwaysTrue())).hasValue("cool");
    assertThat(Iterables.tryFind(list, Predicates.alwaysFalse())).isAbsent();
    assertCanIterateAgain(list);
  }

    Iterator<String> iterator = list.iterator();
    assertThat(Iterators.tryFind(iterator, Predicates.equalTo("cool"))).hasValue("cool");
  }

  public void testTryFind_lastElement() {
    Iterable<String> list = Lists.newArrayList("cool", "pants");
    Iterator<String> iterator = list.iterator();
    assertThat(Iterators.tryFind(iterator, Predicates.equalTo("pants"))).hasValue("pants");
  }

   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.filter(predicate).findFirst()}
   *
   * @since 11.0
   */
  public static <T> Optional<T> tryFind(Iterable<T> iterable, Predicate<? super T> predicate) {
    return Iterators.tryFind(iterable.iterator(), predicate);
  }

  /**
   * Returns the index in {@code iterable} of the first element that satisfies the provided {@code

    Iterator<String> iterator = list.iterator();
    assertThat(Iterators.tryFind(iterator, Predicates.equalTo("cool"))).hasValue("cool");
  }

  public void testTryFind_lastElement() {
    Iterable<String> list = Lists.newArrayList("cool", "pants");
    Iterator<String> iterator = list.iterator();
    assertThat(Iterators.tryFind(iterator, Predicates.equalTo("pants"))).hasValue("pants");
  }

    Iterable<String> list = newArrayList("cool", "pants");
    assertThat(Iterables.tryFind(list, Predicates.equalTo("cool"))).hasValue("cool");
    assertThat(Iterables.tryFind(list, Predicates.equalTo("pants"))).hasValue("pants");
    assertThat(Iterables.tryFind(list, Predicates.alwaysTrue())).hasValue("cool");
    assertThat(Iterables.tryFind(list, Predicates.alwaysFalse())).isAbsent();
    assertCanIterateAgain(list);
  }

   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.filter(predicate).findFirst()}
   *
   * @since 11.0
   */
  public static <T> Optional<T> tryFind(Iterable<T> iterable, Predicate<? super T> predicate) {
    return Iterators.tryFind(iterable.iterator(), predicate);
  }

  /**
   * Returns the index in {@code iterable} of the first element that satisfies the provided {@code

   * will be left exhausted: its {@code hasNext()} method will return {@code false}. If it is
   * possible that <i>no</i> element will match, use {@link #tryFind} or {@link #find(Iterator,
   * Predicate, Object)} instead.
   *
   * @throws NoSuchElementException if no element in {@code iterator} matches the given predicate
   */
  @ParametricNullness

   * will be left exhausted: its {@code hasNext()} method will return {@code false}. If it is
   * possible that <i>no</i> element will match, use {@link #tryFind} or {@link #find(Iterator,
   * Predicate, Object)} instead.
   *
   * @throws NoSuchElementException if no element in {@code iterator} matches the given predicate
   */
  @ParametricNullness

   */
  @SuppressWarnings("nullness") // Unsafe, but we can't do much about it now.
  public final Optional<@NonNull E> firstMatch(Predicate<? super E> predicate) {
    return Iterables.<E>tryFind((Iterable<@NonNull E>) getDelegate(), predicate);
  }

  /**
   * Returns a fluent iterable that applies {@code function} to each element of this fluent
   * iterable.
   *

   */
  @SuppressWarnings("nullness") // Unsafe, but we can't do much about it now.
  public final Optional<@NonNull E> firstMatch(Predicate<? super E> predicate) {
    return Iterables.<E>tryFind((Iterable<@NonNull E>) getDelegate(), predicate);
  }

  /**
   * Returns a fluent iterable that applies {@code function} to each element of this fluent
   * iterable.
   *