 
 	override var isEmphasized: Bool {
 		didSet {
+			if #available(macOS 10.14, *) {
+				return
+			}
 			if let cellView = cellView {
 				cellView.isEmphasized = isEmphasized
 			}


class TimelineTableRowView : NSTableRowView {

	var cellAppearance: TimelineCellAppearance! {
		didSet {
			if cellAppearance != oldValue {
				invalidateGridRect()
			}
		}
	}

//	override var interiorBackgroundStyle: NSBackgroundStyle {
//		return .Light
//	}

	private var cellView: TimelineTableCellView? {
		for oneSubview in subviews {
			if let foundView = oneSubview as? TimelineTableCellView {


	override var isSelected: Bool {
		didSet {
			if #available(macOS 10.14, *) {
				return
			}
			if let cellView = cellView {
				cellView.isSelected = isSelected
			}
		}
	}
}
