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.
Removed in 3.0.0, with Chart.movePriceAxis, the only operation it describes. Placement through Chart.setPriceAxisPlacement (since 2.5.4) needs no such check.
False while the scale still sits on its 0..1 placeholder (nothing measured).
Current visible side; hidden scales report 'right'. Read priceAxisPlacement for hidden state.
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.