apply {
        keyAlgorithm = "EC"
        keySize = 256
      }

    /**
     * Configure the certificate to generate a 2048-bit RSA key, which provides about 112 bits of
     * security. RSA keys are interoperable with very old clients that don't support ECDSA.
     */
    fun rsa2048() =
      apply {
        keyAlgorithm = "RSA"
        keySize = 2048
      }

    fun build(): HeldCertificate {

HSPLkotlinx/coroutines/internal/LockFreeTaskQueue;-><init>(Z)V
HSPLkotlinx/coroutines/internal/LockFreeTaskQueue;->addLast(Ljava/lang/Object;)Z
HSPLkotlinx/coroutines/internal/LockFreeTaskQueue;->getSize()I
HSPLkotlinx/coroutines/internal/LockFreeTaskQueue;->removeFirstOrNull()Ljava/lang/Object;
HSPLkotlinx/coroutines/internal/LockFreeTaskQueueCore;-><clinit>()V
HSPLkotlinx/coroutines/internal/LockFreeTaskQueueCore;-><init>(IZ)V

  @Throws(IOException::class)
  fun deflate(buffer: Buffer) {
    require(deflatedBytes.size == 0L)

    if (noContextTakeover) {
      deflater.reset()
    }

    deflaterSink.write(buffer, buffer.size)
    deflaterSink.flush()

    if (deflatedBytes.endsWith(EMPTY_DEFLATE_BLOCK)) {
      val newSize = deflatedBytes.size - LAST_OCTETS_COUNT_TO_REMOVE_AFTER_DEFLATION
      deflatedBytes.readAndWriteUnsafe().use { cursor ->