@:value(cast "center")@:impl@:enuminlineread onlyCENTER:ScrollLogicalPosition = "center"
@:value(cast "end")@:impl@:enuminlineread onlyEND:ScrollLogicalPosition = "end"
@:value(cast "nearest")@:impl@:enuminlineread onlyNEAREST:ScrollLogicalPosition = "nearest"
@:value(cast "start")@:impl@:enuminlineread onlySTART:ScrollLogicalPosition = "start"