Need to set distance between to sliders to a minimum of 4 but can't about multislider HOT 7 CLOSED

private func configureAgeSlider() {
    let age = ProfileDataManager.shared.age
    var lowValue: CGFloat = 18
    if age - 8 > 18 {
        lowValue = CGFloat(age - 8)
    }
    ProfileDataManager.shared.minAge = Int(lowValue)
    var highValue: CGFloat = 90
    if age + 8 < 90 {
        highValue = CGFloat(age + 8)
    }
    ageSlider.minimumValue = 18
    ageSlider.maximumValue = 90
    ageSlider.value = [lowValue, highValue]
    ageSlider.orientation = .horizontal
    ageSlider.tintColor = UIColor.convertHexColor(hex: "efefef")
    ageSlider.thumbImage = UIImage(named: "slider")!
    ageSlider.trackWidth = 3
    ageSlider.showsThumbImageShadow = false
    ProfileDataManager.shared.maxAge = Int(highValue)
    ageSlider.translatesAutoresizingMaskIntoConstraints = false
    view.addSubview(ageSlider)
    let verticalOffset = getSize(large: 80, medium: 60, small: 45)
    ageSlider.topAnchor.constraint(equalTo: distanceSlider.bottomAnchor, constant: verticalOffset).isActive = true
    ageSlider.leftAnchor.constraint(equalTo: letsNarrowItDownLabel.leftAnchor).isActive = true
    ageSlider.rightAnchor.constraint(equalTo: letsNarrowItDownLabel.rightAnchor).isActive = true
    ageSlider.heightAnchor.constraint(equalToConstant: 30).isActive = true
    ageSlider.addTarget(self, action: #selector(ageSliderChanged(_:)), for: .valueChanged)
    addAgeLabel()
    addAgeTitleLabel()
    addMinimumAgeLabel()
    addMaximumAgeLabel()
}

@objc func ageSliderChanged(_ ageSlider: MultiSlider) {
    print("thumb \(ageSlider.draggedThumbIndex) moved")
    print("now thumbs are at \(ageSlider.value)")
    ageSlider.keepsDistanceBetweenThumbs = true
    ageSlider.distanceBetweenThumbs = 4
    ageLabel.text = "\(Int(ageSlider.value[0])) - \(Int(ageSlider.value[1]))"
    ProfileDataManager.shared.minAge = Int(ageSlider.value[0])
    ProfileDataManager.shared.maxAge = Int(ageSlider.value[1])
    print("Range slider value changed: \(ageSlider.value)")
}