staticgetPrimitiveInfos(prim:Primitive, ?format:BufferFormat, lodIdx:Int = 0):{vertexFormat:Null<BufferFormat>, vertexBuffer:Null<Array<Float>>, lib:Null<Library>, indexesBuffer:Null<Array<Int>>}
export(toExport:Array<Object>, destinationPath:String, callb:() ‑> Void, ?params:Null<ExportParams>):Void