vertex_arrays:Array<TVertexArray>
@:optionaloptionalskin:Null<TSkin>
@:optionaloptionalscale_tex:Null<FastFloat>
@:optionaloptionalscale_pos:Null<FastFloat>
name:String
@:optionaloptionalmorph_target:Null<TMorphTarget>
@:optionaloptionalinstanced_type:Null<Int>
@:optionaloptionalinstanced_data:Null<Float32Array>
index_arrays:Array<TIndexArray>
@:optionaloptionaldynamic_usage:Null<Bool>