OptionalzOptionalrangeOptionalsectionOptionalmainOriginal axis identity for main value. For vertical plots: 'x', for horizontal plots: 'y'. Used to apply correct formatter regardless of orientation.
OptionalcrossOriginal axis identity for cross value. For vertical plots: 'y', for horizontal plots: 'x'. Used to apply correct formatter regardless of orientation.
OptionalcrossRange for the cross axis, used in grid navigation to show both axis ranges.
OptionalgridPoints in the current grid cell, listed as coordinate pairs.
OptionalgridCurrent grid cell position (1-indexed for display).
Text description state containing labels and values for screen reader output.