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	Class	Description
	ColorPalette	Palette for color values, including utility methods for generating both categorical and ordinal color palettes.
	Palette	Base class for palettes, such as color and size palettes, that map from interpolated scale values into visual properties
	ShapePalette	Palette for shape values that maps integer indices to shape drawing functions.
	SizePalette	Palette for size values represeneted as scale factors.