Available with sprite plugin
@:value(cast "forward")@:impl@:enuminlineread onlyFORWARD:AsepriteJsonFrameTagDirection = "forward"
@:value(cast "reverse")@:impl@:enuminlineread onlyREVERSE:AsepriteJsonFrameTagDirection = "reverse"
@:value(cast "pingpong")@:impl@:enuminlineread onlyPINGPONG:AsepriteJsonFrameTagDirection = "pingpong"