"namespace":               "namespace is the namespace of the referenced resource. Allows limiting the search for params to a specific namespace. Applies to both `name` and `selector` fields.\n\nA per-namespace parameter may be used by specifying a namespace-scoped `paramKind` in the policy and leaving this field empty.\n\n- If `paramKind` is cluster-scoped, this field MUST be unset. Setting this field results in a configuration error.\n\n-...

# Test that we can unset variables, even if initially invalid,
# as long as resulting config is valid.

env GOENV=badenv
env GOOS=
env GOARCH=
env GOEXPERIMENT=

! go env
stderr '^go(\.exe)?: unknown GOEXPERIMENT badexp$'

go env -u GOEXPERIMENT

! go env
stderr '^go: unsupported GOOS/GOARCH pair bados/badarch$'

! go env -u GOOS
stderr '^go: unsupported GOOS/GOARCH pair \w+/badarch$'

! go env -u GOARCH

 * </ul>
 *
 * <p>Invalid:
 *
 * <ul>
 *   <li>Expired: time expired (key/value may still be set)
 *   <li>Collected: key/value was partially collected, but not yet cleaned up
 *   <li>Unset: marked as unset, awaiting cleanup or reuse
 * </ul>
 */
@GwtIncompatible
@ElementTypesAreNonnullByDefault
interface ReferenceEntry<K, V> {
  /** Returns the value reference from this entry. */
  @CheckForNull

 */
class Settings {
  /** Bitfield of which flags that values. */
  private var set: Int = 0

  /** Flag values. */
  private val values = IntArray(COUNT)

  /** Returns -1 if unset. */
  val headerTableSize: Int
    get() {
      val bit = 1 shl HEADER_TABLE_SIZE
      return if (bit and set != 0) values[HEADER_TABLE_SIZE] else -1
    }

  val initialWindowSize: Int
    get() {

	}
	w.Flush()
	return buf.String()
}

// IgnoreUnset is an option that ignores fields that are unset on the right
// hand side of a comparison. This is useful in testing to assert that an
// object is a derivative.
func IgnoreUnset() cmp.Option {
	return cmp.Options{
		// ignore unset fields in v2
		cmp.FilterPath(func(path cmp.Path) bool {
			_, v2 := path.Last().Values()
			switch v2.Kind() {

	// line breaks. The message must not contain line breaks.
	// If unset, the message is "failed rule: {Rule}".
	// e.g. "must be a URL with the host matching spec.host"
	// If the Expression contains line breaks. Message is required.
	// The message must not contain line breaks.
	// If unset, the message is "failed Expression: {Expression}".
	// +optional

  //
  // - If `paramKind` is cluster-scoped, this field MUST be unset. Setting this
  // field results in a configuration error.
  //
  // - If `paramKind` is namespace-scoped, the namespace of the object being
  // evaluated for admission will be used when this field is left unset. Take
  // care that if this is left empty the binding must not match any cluster-scoped

	//   to a `resourceVersion` at least as fresh as the one provided by the ListOptions.
	//   If `resourceVersion` is unset, this is interpreted as "consistent read" and the
	//   bookmark event is send when the state is synced at least to the moment
	//   when request started being processed.
	// - `resourceVersionMatch` set to any other value or unset
	//   Invalid error is returned.
	//

                     (-J is stripped)

  # environment variables (read from context)
  JAVA_OPTS          Environment variable, if unset uses ""
  SBT_OPTS           Environment variable, if unset uses ""
  ACTIVATOR_OPTS     Environment variable, if unset uses ""

In the case of duplicated or conflicting options, the order above
shows precedence: environment variables lowest, command line options highest.
EOM

    echo.
    echo Environment variables ^(read from context^):
    echo JAVA_OPTS          Environment variable, if unset uses ""
    echo SBT_OPTS           Environment variable, if unset uses ""
    echo ACTIVATOR_OPTS     Environment variable, if unset uses ""
    echo.
    echo Please note that in order for Activator to work you must have Java available on the classpath
    echo.
    goto :end
  )
)