T[] result = newArray(arrayOfType, to - from);
    System.arraycopy(source, from, result, 0, to - from);
    return result;
  }

  // TODO(user): Move this logic to a utility class.
  @JsType(isNative = true, name = "Array", namespace = JsPackage.GLOBAL)
  private interface NativeArray {
    @JsProperty
    void setLength(int length);
  }

  static MapMaker tryWeakKeys(MapMaker mapMaker) {

    assertTrue(invokable.isAnnotationPresent(Tested.class));
  }

  public void testNativeMethod() throws Exception {
    Invokable<?, Object> invokable = A.method("nativeMethod");
    assertTrue(invokable.isNative());
    assertTrue(invokable.isPackagePrivate());
  }

  public void testSynchronizedMethod() throws Exception {
    Invokable<?, Object> invokable = A.method("synchronizedMethod");

    assertTrue(invokable.isAnnotationPresent(Tested.class));
  }

  public void testNativeMethod() throws Exception {
    Invokable<?, Object> invokable = A.method("nativeMethod");
    assertTrue(invokable.isNative());
    assertTrue(invokable.isPackagePrivate());
  }

  public void testSynchronizedMethod() throws Exception {
    Invokable<?, Object> invokable = A.method("synchronizedMethod");

func (target *NSQTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *NSQTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *NSQTarget) isActive() (bool, error) {
	if target.producer == nil {

func (target *MQTTTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *MQTTTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *MQTTTarget) isActive() (bool, error) {
	if !target.client.IsConnectionOpen() {
		return false, store.ErrNotConnected
	}

    }

    private boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        boolean isActive = false;
        for (ProfileActivator activator : activators) {
            if (activator.presentInConfig(profile, context, problems)) {
                isActive = true;
                try {
                    if (!activator.isActive(profile, context, problems)) {

func (target *PostgreSQLTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *PostgreSQLTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *PostgreSQLTarget) isActive() (bool, error) {
	if err := target.db.Ping(); err != nil {
		if IsConnErr(err) {

func (target *WebhookTarget) Name() string {
	return target.ID().String()
}

// IsActive - Return true if target is up and active
func (target *WebhookTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

// Store returns any underlying store if set.
func (target *WebhookTarget) Store() event.TargetStore {

func (target *RedisTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *RedisTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *RedisTarget) isActive() (bool, error) {
	conn := target.pool.Get()
	defer conn.Close()

func (target *KafkaTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *KafkaTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *KafkaTarget) isActive() (bool, error) {
	// Refer https://github.com/IBM/sarama/issues/1341