NSScrubberFlowLayout
A concrete layout object that arranges items end-to-end in a linear strip.
Declaration
class NSScrubberFlowLayoutOverview
To set the size of items on a per-item basis, ensure that your scrubber delegate conforms to the NSScrubberFlowLayoutDelegate protocol, and provides an implementation of the scrubber(_:layout:sizeForItemAt:) method.