TypeScript/tests/baselines/reference/classIndexer.types

=== tests/cases/compiler/classIndexer.ts ===
class C123 {
>C123 : C123, Symbol(C123, Decl(classIndexer.ts, 0, 0))

    [s: string]: number;
>s : string, Symbol(s, Decl(classIndexer.ts, 1, 5))

    constructor() {
    }
}