}

  private Throwable tryInternalFastPathGetFailure(Future<?> future) throws Exception {
    Method tryInternalFastPathGetFailureMethod =
        abstractFutureClass.getDeclaredMethod("tryInternalFastPathGetFailure");
    tryInternalFastPathGetFailureMethod.setAccessible(true);
    return (Throwable) tryInternalFastPathGetFailureMethod.invoke(future);
  }

        new InvocationHandler() {
          @Override
          @CheckForNull
          public Object invoke(Object obj, Method method, @CheckForNull @Nullable Object[] args)
              throws Throwable {
            Callable<@Nullable Object> callable =
                () -> {
                  try {
                    return method.invoke(target, args);
                  } catch (InvocationTargetException e) {

  }

  private Throwable tryInternalFastPathGetFailure(Future<?> future) throws Exception {
    Method tryInternalFastPathGetFailureMethod =
        abstractFutureClass.getDeclaredMethod("tryInternalFastPathGetFailure");
    tryInternalFastPathGetFailureMethod.setAccessible(true);
    return (Throwable) tryInternalFastPathGetFailureMethod.invoke(future);
  }

        public String toString() {
          throw new AssertionFailedError();
        }
      };

  private static class Message {
    boolean invoked;

    @Override
    public String toString() {
      assertFalse(invoked);
      invoked = true;
      return "A message";
    }
  }

  private static final String FORMAT = "I ate %s pies.";

          }
        }
        HashFunction hashFunction1a = (HashFunction) method.invoke(clazz, params1);
        HashFunction hashFunction1b = (HashFunction) method.invoke(clazz, params1);
        HashFunction hashFunction2 = (HashFunction) method.invoke(clazz, params2);

        new EqualsTester()
            .addEqualityGroup(hashFunction1a, hashFunction1b)

    Prepender prepender = delegate.invoke(null, "a", 1);
    assertEquals("a", prepender.prefix);
    assertEquals(1, prepender.times);
  }

  public void testConstructor_returning() throws Exception {
    Invokable<?, Prepender> delegate =
        Prepender.constructor(String.class, int.class).returning(Prepender.class);
    Prepender prepender = delegate.invoke(null, "a", 1);
    assertEquals("a", prepender.prefix);

        Method orElseMethod = optionalClass.getMethod("orElse", Object.class);

        Object current = currentMethod.invoke(null);
        Object info = infoMethod.invoke(current);
        Object user = userMethod.invoke(info);
        return (String) requireNonNull(orElseMethod.invoke(user, fromSystemProperty));
      } catch (ClassNotFoundException runningUnderAndroidOrJava8) {
        /*

 *       have, of returning a new, independent iterator
 * </ul>
 *
 * <p>Because of this situation, any public method accepting an iterable should invoke the {@code
 * iterator} method only once, and should be tested using this class. Exceptions to this rule should
 * be clearly documented.
 *

  }

  @J2ktIncompatible
  @GwtIncompatible // java.lang.reflect
  private static Object invokeAccessibleNonThrowingMethod(
      Method method, Object receiver, Object... params) {
    try {
      return method.invoke(receiver, params);
    } catch (IllegalAccessException e) {
      throw new RuntimeException(e);
    } catch (InvocationTargetException e) {
      throw propagate(e.getCause());
    }
  }

    TypeVariableInvocationHandler(TypeVariableImpl<?> typeVariableImpl) {
      this.typeVariableImpl = typeVariableImpl;
    }

    @Override
    @CheckForNull
    public Object invoke(Object proxy, Method method, @CheckForNull @Nullable Object[] args)
        throws Throwable {
      String methodName = method.getName();
      Method typeVariableMethod = typeVariableMethods.get(methodName);