@:optionaloptionaltypeOfSection:Null<Int>
sectionNotes:Array<Dynamic>
@:optionaloptionalsectionBeats:Null<Float>
mustHitSection:Bool
lengthInSteps:Int
@:optionaloptionalgfSection:Null<Bool>
changeBPM:Bool
@:optionaloptionalcamTarget:Null<Float>
bpm:Float
altAnim:Null<Bool>