added in version 22.1.0


Palette.Filter A Filter provides a mechanism for exercising fine-grained control over which colors are valid within a resulting Palette
Palette.PaletteAsyncListener Listener to be used with generateAsync(Bitmap, PaletteAsyncListener) or generateAsync(Bitmap, int, PaletteAsyncListener)  


Palette A helper class to extract prominent colors from an image. 
Palette.Builder Builder class for generating Palette instances. 
Palette.Swatch Represents a color swatch generated from an image's palette. 
Target A class which allows custom selection of colors in a Palette's generation. 
Target.Builder Builder class for generating custom Target instances.