).isEqualTo(10L)
    assertThat(
      Headers.Builder()
        .add("abc", "def")
        .add("ghi", "jkl")
        .build()
        .byteCount(),
    ).isEqualTo(20L)
  }

  @Test fun addDate() {
    val expected = Date(0L)
    val headers =
      Headers.Builder()
        .add("testDate", expected)
        .build()
    assertThat(headers["testDate"]).isEqualTo("Thu, 01 Jan 1970 00:00:00 GMT")

pkg time, method (Duration) Seconds() float64
pkg time, method (Duration) String() string
pkg time, method (Month) String() string
pkg time, method (Time) Add(Duration) Time
pkg time, method (Time) AddDate(int, int, int) Time
pkg time, method (Time) After(Time) bool
pkg time, method (Time) Before(Time) bool
pkg time, method (Time) Clock() (int, int, int)
pkg time, method (Time) Date() (int, Month, int)