text: //// [declarationEmitThisPredicatesWithPrivateName01.ts]
  export class C {
      m(): this is D {
          return this instanceof D;
      }
  }
  
  class D extends C {
  }
  
  //// [declarationEmitThisPredicatesWithPrivateName01.js]
  "use strict";
  var __extends = (this && this.__extends) || (function () {
      var extendStatics = Object.setPrototypeOf ||
          ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
          function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
      return function (d, b) {
          extendStatics(d, b);
          function __() { this.constructor = d; }
          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
      };
  })();
  exports.__esModule = true;
  var C = (function () {
      function C() {
      }
      C.prototype.m = function () {
          return this instanceof D;
      };
      return C;
  }());
  exports.C = C;
  var D = (function (_super) {
      __extends(D, _super);
      function D() {
          return _super !== null && _super.apply(this, arguments) || this;
      }
      return D;
  }(C));
  