Level Layer data
@:optionaloptionaltileset:Null<String>
offsetY:Int
offsetX:Int
name:String
gridCellsY:Int
gridCellsX:Int
gridCellWidth:Int
gridCellHeight:Int
@:optionaloptionalexportMode:Null<Int>
@:optionaloptionalentities:Null<Array<EntityData>>
@:optionaloptionaldecals:Null<Array<DecalData>>
@:optionaloptionaldataCSV:Null<String>
@:optionaloptionaldata2D:Null<Array<Array<Int>>>
@:optionaloptionaldata:Null<Array<Int>>
@:optionaloptionalarrayMode:Null<Int>
_eid:String