final BarChild barChild = new BarChild();
    Function<Foo, BarChild> function =
        new Function<Foo, BarChild>() {
          @Override
          public BarChild apply(Foo unused) {
            return barChild;
          }
        };
    Bar bar = getDone(transform(future, function, directExecutor()));
    assertSame(barChild, bar);
  }

  /*

  }

  /**
   * A function from an input to a result.
   *
   * @param <T> the type of the input to the function
   * @param <U> the type of the result of the function
   */
  public interface ClosingFunction<T extends @Nullable Object, U extends @Nullable Object> {

    /**
     * Applies this function to an input, or throws an exception if unable to do so.
     *

    final BarChild barChild = new BarChild();
    Function<Foo, BarChild> function =
        new Function<Foo, BarChild>() {
          @Override
          public BarChild apply(Foo unused) {
            return barChild;
          }
        };
    Bar bar = getDone(transform(future, function, directExecutor()));
    assertSame(barChild, bar);
  }

  /*

   * the collection operation is performed. (This differs from the {@code Collector} returned by
   * {@link java.util.stream.Collectors#toMap(java.util.function.Function,
   * java.util.function.Function) Collectors.toMap(Function, Function)}, which throws an {@code
   * IllegalStateException}.)
   *
   * @since 33.2.0 (available since 21.0 in guava-jre)
   */

import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReferenceArray;
import java.util.concurrent.locks.ReentrantLock;
import java.util.function.BiFunction;
import java.util.function.BiPredicate;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.CheckForNull;

 * Resolution Properties</a>). The servername and path components are
 * not case sensitive but the domain, username, and password components
 * are. It is also likely that properties must be specified for jcifs.smb1
 * to function (See <a href="../../overview-summary.html#scp">Setting
 * JCIFS Properties</a>). Here are some examples of SMB URLs with brief
 * descriptions of what they do:
 *
 * <p>[1] This URL scheme is based largely on the <i>SMB

     * <pre>
     * message: {item} is numeric value out of bounds (&lt;{integer} digits&gt;.&lt;{fraction} digits&gt; expected).
     * </pre>
     * @param property The property name for the message. (NotNull)
     * @param fraction The parameter fraction for message. (NotNull)
     * @param integer The parameter integer for message. (NotNull)
     * @return this. (NotNull)
     */

    }

    @Override
    public int getWeight() {
      return weight;
    }
  }

  /**
   * Applies a supplemental hash function to a given hash code, which defends against poor quality
   * hash functions. This is critical when the concurrent hash map uses power-of-two length hash
   * tables, that otherwise encounter collisions for hash codes that do not differ in lower or upper
   * bits.