@J2ktIncompatible
  @GwtIncompatible // lazyStackTraceIsLazy()
  public void testLazyStackTraceWorksInProd() {
    // TODO(b/64442212): Remove this guard once lazyStackTrace() works in Java 9+.
    Integer javaVersion = Ints.tryParse(JAVA_SPECIFICATION_VERSION.value());
    if (javaVersion != null && javaVersion >= 9) {
      return;
    }

  // Features

  private final Set<Feature<?>> features = new LinkedHashSet<>();

  /**
   * Configures this builder to produce tests appropriate for the given features. This method may be
   * called more than once to add features in multiple groups.
   */
  @CanIgnoreReturnValue
  public B withFeatures(Feature<?>... features) {
    return withFeatures(asList(features));
  }

  @CanIgnoreReturnValue

        return AbstractNetwork.this.nodeOrder();
      }

      @Override
      public ElementOrder<N> incidentEdgeOrder() {
        // TODO(b/142723300): Return AbstractNetwork.this.incidentEdgeOrder() once Network has that
        //   method.
        return ElementOrder.unordered();
      }

      @Override
      public boolean isDirected() {
        return AbstractNetwork.this.isDirected();
      }

)

// DefaultKVS - default kvs for all sub-systems
var DefaultKVS = map[string]KVS{}

// RegisterDefaultKVS - this function saves input kvsMap
// globally, this should be called only once preferably
// during `init()`.
func RegisterDefaultKVS(kvsMap map[string]KVS) {
	for subSys, kvs := range kvsMap {
		DefaultKVS[subSys] = kvs
	}
}

	ArrayWildcard  bool       `parser:"| @\"[*]\""`         // [*] form
}

// JSONPath represents a keypath.
// Instances should be treated idempotent and not change once created.
type JSONPath struct {
	BaseKey  *Identifier        `parser:" @@"`
	PathExpr []*JSONPathElement `parser:"(@@)*"`

	// Cached values:
	pathString         string
	strippedTableAlias string

### Existing properties in existing classes

This is out of scope for this ADR.  Migrating an existing property to lazy types is being handled in a different way.

### Conventions

Once a new property has been introduced, you need to consider what its conventions will be.

  public void testAddNullReference() {
    assertThrows(NullPointerException.class, () -> equalsTester.addEqualityGroup((Object) null));
  }

  /** Test equalObjects after adding multiple instances at once with a null */
  public void testAddTwoEqualObjectsAtOnceWithNull() {
    assertThrows(
        NullPointerException.class,
        () -> equalsTester.addEqualityGroup(reference, equalObject1, null));
  }

    ImmutableSet<String> copy = ImmutableSet.copyOf(sortedSet);
    assertNotSame(sortedSet, copy);
  }

  // TODO(b/172823566): Use mainline testToImmutableSet once CollectorTester is usable to java7.
  public void testToImmutableSet_java7() {
    ImmutableSet.Builder<String> zis = ImmutableSet.<String>builder().add("a", "b", "a");

	limiter *rate.Limiter
	hits    int
	in      *Installer
}

func newInstallationThrottle(in *Installer) *installationThrottle {
	return &installationThrottle{
		// Setup the limiter to once every 5s. We don't actually limit to only 1/5, this is just to use it to keep track
		// of whether we got a lot of requests
		limiter: rate.NewLimiter(rate.Limit(0.2), 1),
		hits:    0,
		in:      in,
	}
}

	// 'in' and 'out' are independent.
	// The handler should never close out.
	// Buffers received from 'in'  can be recycled with PutByteBuffer.
	// Buffers sent on out can not be referenced once sent.
	StreamHandlerFn func(ctx context.Context, payload []byte, in <-chan []byte, out chan<- []byte) *RemoteErr

	// StreamHandler handles fully bidirectional streams,
	// There is flow control in both directions.