OptionalloopHow many times to repeat the animation (-1 = forever, 0 = play once). Default: -1
OptionalmetadataMetadata to include, see Metadata
OptionaloptimizeWhether to store each frame as the area that changed since the frame before and merge identical frames, like
AnimationEncodeOptions.optimize. Default: true
Optionalquality1-100, scales the palette size from 8 colors (1) to 256 colors (90 and above). Default: 95
Options of Animation.gifEncoder