CMLayerDelegate @objc public protocol CMLayerDelegate: NSObjectProtocol The Layer Delegate. layer(_:onRemoved:) Called when feature is removed. @param feature the feature Declaration Swift @objc optional func layer(_ layer: CMLayer, onRemoved feature: CMFeature); © 2017 . All rights reserved. (Last updated: 2017-06-27) Generated by jazzy ♪♫ v0.8.2, a Realm project.