Resolve the brushed mark-index range currently described by shared linked
state, so the controls reflect it instead of snapping back to full range.
Returns the full range when nothing is brushed. A brush published by a peer
presentation (or by a chart adapter) lands here too, which is what keeps the
two surfaces agreeing.
Resolve the brushed mark-index range currently described by shared linked state, so the controls reflect it instead of snapping back to full range.
Returns the full range when nothing is brushed. A brush published by a peer presentation (or by a chart adapter) lands here too, which is what keeps the two surfaces agreeing.