tests/cases/compiler/unusedTypeParameters3.ts(1,15): error TS6133: 'typeparameter1' is declared but its value is never read.
tests/cases/compiler/unusedTypeParameters3.ts(1,47): error TS6133: 'typeparameter3' is declared but its value is never read.


==== tests/cases/compiler/unusedTypeParameters3.ts (2 errors) ====
    class greeter<typeparameter1, typeparameter2, typeparameter3> {
                  ~~~~~~~~~~~~~~
!!! error TS6133: 'typeparameter1' is declared but its value is never read.
                                                  ~~~~~~~~~~~~~~
!!! error TS6133: 'typeparameter3' is declared but its value is never read.
        private x: typeparameter2;
    
        public function1() {
            this.x;
        }
    }