apply {
      assertThat(response!!.code).isEqualTo(expectedCode)
    }

  fun assertSuccessful() =
    apply {
      assertThat(failure).isNull()
      assertThat(response!!.isSuccessful).isTrue()
    }

  fun assertNotSuccessful() =
    apply {
      assertThat(response!!.isSuccessful).isFalse()
    }

  fun assertHeader(
    name: String,
    vararg values: String?,
  ) = apply {

    T instance = generator.newFreshProxy(interfaceType);
    new EqualsTester()
        .addEqualityGroup(wrapperFunction.apply(instance), wrapperFunction.apply(instance))
        .addEqualityGroup(wrapperFunction.apply(generator.newFreshProxy(interfaceType)))
        // TODO: add an overload to EqualsTester to print custom error message?
        .testEquals();
  }

    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));

    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));

    assertThat(retryTlsHandshake(exception)).isFalse()
  }

  @Test fun nonRetryableSSLHandshakeException() {
    val exception =
      SSLHandshakeException("Certificate handshake exception").apply {
        initCause(CertificateException())
      }
    assertThat(retryTlsHandshake(exception)).isFalse()
  }

  @Test fun retryableSSLHandshakeException() {

    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));
  }

        else -> "Mock Response"
      }
    return apply { status = "HTTP/1.1 $code $reason" }
  }

  fun clearHeaders() =
    apply {
      headersBuilder = Headers.Builder()
    }

  fun addHeader(header: String) =
    apply {
      headersBuilder.add(header)
    }

  fun addHeader(
    name: String,
    value: Any,
  ) = apply {
    headersBuilder.add(name, value.toString())
  }

  )

internal fun CacheControl.Builder.commonNoCache() =
  apply {
    this.noCache = true
  }

internal fun CacheControl.Builder.commonNoStore() =
  apply {
    this.noStore = true
  }

internal fun CacheControl.Builder.commonOnlyIfCached() =
  apply {
    this.onlyIfCached = true
  }

internal fun CacheControl.Builder.commonNoTransform() =
  apply {
    this.noTransform = true
  }

    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));
  }

      this.settings_ =
        Settings().apply {
          merge(mockResponse.settings)
        }
    }

    public fun code(code: Int): Builder =
      apply {
        this.code = code
      }

    /** Sets the status and returns this. */
    public fun status(status: String): Builder =
      apply {
        this.status = status
      }

    /**