1# Indexed access types are not supported 2 3Rule ``arkts-no-aliases-by-index`` 4 5**Severity: error** 6 7ArkTS does not support indexed access types. Use the type name instead. 8 9 10## TypeScript 11 12 13``` 14 15 type Point = {x: number, y: number} 16 type N = Point["x"] // is equal to number 17 18``` 19 20## ArkTS 21 22 23``` 24 25 class Point {x: number = 0; y: number = 0} 26 type N = number 27 28``` 29 30 31