tests/cases/compiler/unusedTypeParameterInMethod4.ts(2,14): error TS6133: 'X' is declared but its value is never read.


==== tests/cases/compiler/unusedTypeParameterInMethod4.ts (1 errors) ====
    class A {
        public f1<X>() {
                 ~~~
!!! error TS6133: 'X' is declared but its value is never read.
    
        }
    }