Optionalintersections?: AudioState[] | nullArray of audio states for all lines that intersect at the current point. Used for intersection-aware audio playback in multiline plots. null/undefined for normal points (single line or no intersection).
OptionalgroupCount?: numberNumber of groups/series in the plot. Only present for multiline plots where plotType === 'multiline'.
State for a single trace/layer containing all rendering and navigation information.