* result.
   *
   * @return the next element if there was one. If {@code endOfData} was called during execution,
   *     the return value will be ignored.
   * @throws RuntimeException if any unrecoverable error happens. This exception will propagate
   *     outward to the {@code hasNext()}, {@code next()}, or {@code peek()} invocation that invoked

   * result.
   *
   * @return the next element if there was one. If {@code endOfData} was called during execution,
   *     the return value will be ignored.
   * @throws RuntimeException if any unrecoverable error happens. This exception will propagate
   *     outward to the {@code hasNext()}, {@code next()}, or {@code peek()} invocation that invoked

		// which can be modified in another goroutine when apiserver request times out.
		// For example authentication filter modifies request's headers,
		// This can cause apiserver to crash with unrecoverable fatal error.
		// More info about concurrent read and write for maps: https://golang.org/doc/go1.6#runtime
		"userAgent", rl.userAgent,
		"audit-ID", auditID,
		"srcIP", rl.req.RemoteAddr,
	}

	zero  uint64
	fatal func(msg string)
}

func (n *nonceGenerator) next(b []byte) {
	incrementingNonce := n.nonce.Add(1)
	if incrementingNonce <= n.zero {
		// this should never happen, and is unrecoverable if it does
		n.fatal("aes-gcm detected nonce overflow - cryptographic wear out has occurred")
	}
	binary.LittleEndian.PutUint64(b, incrementingNonce)
}

func die(msg string) {