tests/cases/compiler/duplicateTypeParameters3.ts(2,14): error TS2300: Duplicate identifier 'A'.


==== tests/cases/compiler/duplicateTypeParameters3.ts (1 errors) ====
    interface X {
    x: () => <A, A>() => void;
                 ~
!!! error TS2300: Duplicate identifier 'A'.
    }
     
    