Some series on the pane maps to this scale.
Auto-fit: the range tracks the data rather than staying where it was put.
Whether movePriceAxis would do anything: something to move, and a free side.
False while the scale still sits on its 0..1 placeholder (nothing measured).
Strip this scale is drawn in. The overlay scale reports 'right' and draws none.
What a host needs to render a menu over one price axis: which items are on, and which of them mean anything on this axis. See
Chart.priceAxisState.