tests/cases/compiler/unusedTypeParameterInInterface1.ts(2,15): error TS6133: 'T' is declared but never used.


==== tests/cases/compiler/unusedTypeParameterInInterface1.ts (1 errors) ====
    
    interface int<T> {
                  ~
!!! error TS6133: 'T' is declared but never used.
    
    }