```tsp model Foo { @maxLength(3) foo: string; } @maxLength(3) scalar Bar extends string; const bar: Bar = "abcdef"; // validate const foo: Foo = #{ foo: "abcde" }; // does not ``` [Playground Link](https://typespec.io/playground/?c=bW9kZWwgRm9vIHsKICBAbWF4TGVuZ3RoKDMpCiAgZm9vOiBzdHJpbmc7Cn0KCs4gc2NhbGFyIEJhciBleHRlbmRzySxjb25zdMY%2FxFw9ICN7xg4iYWJjZGUiIH07IC8vIGRvZXMgbm90xzBiYXI6xU89xyhmIsUndmFsaWRhdGUK&e=%40typespec%2Fopenapi3&options=%7B%7D)