*  New: Buffer WebSocket frames for better performance.
 *  New: Drop support for `TLS_DHE_DSS_WITH_AES_128_CBC_SHA`, our only remaining
    DSS cipher suite. This is consistent with Firefox and Chrome which have also
    dropped these cipher suite.

## Version 2.5.0

_2015-08-25_

 *  **Timeouts now default to 10 seconds.** Previously we defaulted to never
    timing out, and that was a lousy policy. If establishing a connection,

	return n.tr
}

func (n *NilNode) Copy() Node {
	return n.tr.newNil(n.Pos)
}

// FieldNode holds a field (identifier starting with '.').
// The names may be chained ('.x.y').
// The period is dropped from each ident.
type FieldNode struct {
	NodeType
	Pos
	tr    *Tree
	Ident []string // The identifiers in lexical order.
}

func (t *Tree) newField(pos Pos, ident string) *FieldNode {

// If min is greater than the length of buf, ReadAtLeast returns [ErrShortBuffer].
// On return, n >= min if and only if err == nil.
// If r returns an error having read at least min bytes, the error is dropped.
func ReadAtLeast(r Reader, buf []byte, min int) (n int, err error) {
	if len(buf) < min {
		return 0, ErrShortBuffer
	}
	for n < min && err == nil {
		var nn int
		nn, err = r.Read(buf[n:])
		n += nn

// amplitude amp, followed by zeroes.
//
// In another manner of speaking, this is the Kronecker delta.
func unit(amp float64) float64Stream {
	dropped := false
	return func() float64 {
		if dropped {
			return 0
		}
		dropped = true
		return amp
	}
}

// oscillate returns a stream that oscillates sinusoidally
// with the given amplitude, phase, and period.

    // This can be used, for instance, to keep traffic ONLY within the same cluster/node/region.
    // This should be used with caution, as it can result in all traffic being dropped if there is no matching endpoints,
    // even if there are endpoints outside of the preferences.
    STRICT = 1;

		}
		return nil, nil
	}

	if s.options.Yaml {
		// In strict mode pass the original data through the YAMLToJSONStrict converter.
		// This is done to catch duplicate fields in YAML that would have been dropped in the original YAMLToJSON conversion.
		// TODO: rework YAMLToJSONStrict to return warnings about duplicate fields without terminating so we don't have to do this twice.
		_, err := yaml.YAMLToJSONStrict(originalData)

	{20, "SIGWINCH", "window changed"},
	{21, "SIGURG", "urgent I/O condition"},
	{22, "SIGIO", "I/O possible"},
	{23, "SIGSTOP", "stopped (signal)"},
	{24, "SIGTSTP", "stopped"},
	{25, "SIGCONT", "continued"},
	{26, "SIGTTIN", "stopped (tty input)"},
	{27, "SIGTTOU", "stopped (tty output)"},
	{28, "SIGVTALRM", "virtual timer expired"},
	{29, "SIGPROF", "profiling timer expired"},
	{30, "SIGXCPU", "CPU time limit exceeded"},

 *       alternatives.
 *   <li>It imposes requirements on the lifecycle of its subscribers. For example, if an event
 *       occurs between when one subscriber is removed and the next subscriber is added, the event
 *       is dropped.
 *   <li>Its performance is suboptimal, especially under Android.
 *   <li>It <a href="https://github.com/google/guava/issues/1431">doesn't support parameterized
 *       types</a>.

	longRunningRequestCheck apirequest.LongRunningRequestCheck
	fcIfc                   utilflowcontrol.Interface
	workEstimator           flowcontrolrequest.WorkEstimatorFunc

	// droppedRequests tracks the history of dropped requests for
	// the purpose of computing RetryAfter header to avoid system
	// overload.
	droppedRequests utilflowcontrol.DroppedRequestsTracker

	// newReqWaitCtxFn creates a derived context with a deadline

	)
	// TLSHandshakeErrors is a number of requests dropped with 'TLS handshake error from' error
	TLSHandshakeErrors = compbasemetrics.NewCounter(
		&compbasemetrics.CounterOpts{
			Subsystem:      APIServerComponent,
			Name:           "tls_handshake_errors_total",
			Help:           "Number of requests dropped with 'TLS handshake error from' error",
			StabilityLevel: compbasemetrics.ALPHA,
		},
	)