assertEquals(p1.apply(1.0f), p2.apply(1.0f));
    assertEquals(p1.apply(5.0f), p2.apply(5.0f));
  }

  public void testForPredicate() {
    Function<Object, Boolean> alwaysTrue = Functions.forPredicate(Predicates.alwaysTrue());
    Function<Object, Boolean> alwaysFalse = Functions.forPredicate(Predicates.alwaysFalse());

    assertTrue(alwaysTrue.apply(0));
    assertFalse(alwaysFalse.apply(0));

    assertFalse(isNumber.apply(null));
  }

  @GwtIncompatible // Predicates.instanceOf
  public void testIsInstanceOf_interface() {
    Predicate<@Nullable Object> isComparable = Predicates.instanceOf(Comparable.class);

    assertTrue(isComparable.apply(1));
    assertTrue(isComparable.apply(2.0f));
    assertTrue(isComparable.apply(""));
    assertFalse(isComparable.apply(null));
  }

            .catching(
                Throwable.class,
                new Function<Throwable, Class<?>>() {
                  @Override
                  public Class<?> apply(Throwable input) {
                    return input.getClass();
                  }
                },
                directExecutor());
    assertThat(f.get()).isEqualTo(CustomRuntimeException.class);
  }

          @Override
          public Arithmetic apply(Arithmetic arithmetic) {
            return new ForwardingArithmetic(arithmetic);
          }
        });
    tester.testForwarding(
        ParameterTypesDifferent.class,
        new Function<ParameterTypesDifferent, ParameterTypesDifferent>() {
          @Override
          public ParameterTypesDifferent apply(ParameterTypesDifferent delegate) {

    return Collector.of(
        (Supplier<ImmutableTable.Builder<R, C, V>>) ImmutableTable.Builder::new,
        (builder, t) ->
            builder.put(rowFunction.apply(t), columnFunction.apply(t), valueFunction.apply(t)),
        ImmutableTable.Builder::combine,
        ImmutableTable.Builder::buildOrThrow);
  }

  static <T extends @Nullable Object, R, C, V>

    }
  }
  return null
}

internal fun Headers.Builder.commonAdd(
  name: String,
  value: String,
) = apply {
  headersCheckName(name)
  headersCheckValue(value, name)
  commonAddLenient(name, value)
}

internal fun Headers.Builder.commonAddAll(headers: Headers) =
  apply {
    for (i in 0 until headers.size) {
      commonAddLenient(headers.name(i), headers.value(i))
    }
  }

     */
    fun scheme(scheme: String) =
      apply {
        when {
          scheme.equals("http", ignoreCase = true) -> this.scheme = "http"
          scheme.equals("https", ignoreCase = true) -> this.scheme = "https"
          else -> throw IllegalArgumentException("unexpected scheme: $scheme")
        }
      }

    fun username(username: String) =
      apply {

   *       Objects.equal}{@code (a, b)} implies that {@code predicate.apply(a) ==
   *       predicate.apply(b))}.
   * </ul>
   *
   * @throws NullPointerException if {@code input} is null and this predicate does not accept null
   *     arguments
   */
  boolean apply(@ParametricNullness T input);

  /**
   * Indicates whether another object is equal to this predicate.
   *

              object : DelegatingSSLSocketFactory(sslSocketFactory) {
                override fun configureSocket(sslSocket: SSLSocket): SSLSocket {
                  return sslSocket.apply {
                    sslParameters =
                      sslParameters.apply {
                        sniMatchers =
                          listOf(
                            object : SNIMatcher(StandardConstants.SNI_HOST_NAME) {

        "osgi.identity;filter:='(osgi.identity=$it)'"
      }

    val bndEditModel =
      BndEditModel(workspace).apply {
        // Temporary project to satisfy bnd API.
        project = Project(workspace, workspaceDir.toFile())
      }

    return Bndrun(bndEditModel).apply {
      setRunfw(RESOLVE_OSGI_FRAMEWORK)
      runee = RESOLVE_JAVA_VERSION
      setRunRequires(runRequireString)
    }
  }