#### Do-stuff-later pool

Sometimes there's an action required like calling the application layer or responding to a ping, and the thread discovering the action is not the thread that should do the work. We enqueue a runnable on this executor and it gets handled by one of the executor's threads.

### Locks

    assertThat(sendPingFrame(true, expectedPayload1, expectedPayload2)).isEqualTo(frame)
    reader.nextFrame(
      requireSettings = false,
      object : BaseTestHandler() {
        override fun ping(
          ack: Boolean,
          payload1: Int,
          payload2: Int,
        ) {
          assertThat(ack).isTrue()
          assertThat(payload1).isEqualTo(expectedPayload1)

"cadascuna", "cadascunes", "cadascuns", "com", "contra", "d'un", "d'una", "d'unes", "d'uns", "dalt", "de", "del", "dels", "des", "després", "dins", "dintre", "donat", "doncs", "durant", "e", "eh", "el", "els", "em", "en", "encara", "ens", "entre", "érem", "eren", "éreu", "es", "és", "esta", "està", "estàvem", "estaven", "estàveu", "esteu", "et", "etc", "ets", "fins", "fora", "gairebé", "ha", "han", "has", "havia", "he", "hem", "heu", "hi ", "ho", "i", "igual", "iguals", "ja", "l'hi", "la", "les", "li",...

"cadascuna", "cadascunes", "cadascuns", "com", "contra", "d'un", "d'una", "d'unes", "d'uns", "dalt", "de", "del", "dels", "des", "després", "dins", "dintre", "donat", "doncs", "durant", "e", "eh", "el", "els", "em", "en", "encara", "ens", "entre", "érem", "eren", "éreu", "es", "és", "esta", "està", "estàvem", "estaven", "estàveu", "esteu", "et", "etc", "ets", "fins", "fora", "gairebé", "ha", "han", "has", "havia", "he", "hem", "heu", "hi ", "ho", "i", "igual", "iguals", "ja", "l'hi", "la", "les", "li",...

   * stripes, the intended concurrency level, and the typical number of keys used in a {@code
   * bulkGet(keys)} operation. See <a href="http://www.mathpages.com/home/kmath199.htm">Balls in
   * Bins model</a> for mathematical formulas that can be used to estimate the probability of
   * collisions.
   *
   * @param keys arbitrary non-null keys

			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         target.NATSPingInterval,
			Description: "client ping commands interval in s,m,h,d. Disabled by default",
			Optional:    true,
			Type:        "duration",
		},
		config.HelpKV{
			Key:         target.NATSCertAuthority,

// https://www.iana.org/domains/root/db/pid.html
pid

// pin : Amazon Registry Services, Inc.
// https://www.iana.org/domains/root/db/pin.html
pin

// ping : Ping Registry Provider, Inc.
// https://www.iana.org/domains/root/db/ping.html
ping

// pink : Identity Digital Limited
// https://www.iana.org/domains/root/db/pink.html
pink

// pioneer : Pioneer Corporation

for the hot day made her feel very sleepy and stupid), whether
the pleasure of making a daisy-chain would be worth the trouble
of getting up and picking the daisies, when suddenly a White
Rabbit with pink eyes ran close by her.

  There was nothing so VERY remarkable in that; nor did Alice
think it so VERY much out of the way to hear the Rabbit say to
itself, `Oh dear!  Oh dear!  I shall be late!'  (when she thought

    val pin: String = CertificatePinner.pin(certificate)
    val default: CertificatePinner = CertificatePinner.DEFAULT
  }

  @Test
  fun certificatePinnerBuilder() {
    val builder: CertificatePinner.Builder = CertificatePinner.Builder()
    builder.add("", "pin1", "pin2")
  }

  @Test
  fun challenge() {

for the hot day made her feel very sleepy and stupid), whether
the pleasure of making a daisy-chain would be worth the trouble
of getting up and picking the daisies, when suddenly a White
Rabbit with pink eyes ran close by her.

  There was nothing so VERY remarkable in that; nor did Alice
think it so VERY much out of the way to hear the Rabbit say to
itself, `Oh dear!  Oh dear!  I shall be late!'  (when she thought