text: //// [unusedPrivateMethodInClass1.ts]
  class greeter {
      private function1() {
          var y = 10;
          y++;
      }
  }
  
  //// [unusedPrivateMethodInClass1.js]
  var greeter = (function () {
      function greeter() {
      }
      greeter.prototype.function1 = function () {
          var y = 10;
          y++;
      };
      return greeter;
  }());
  