text: class Private {
     constructor () {
          this._symbol = Symbol("_private");
     }
  
     get _private() {
          return this[this._symbol];
     }
  
     set _private(value) {
          this[this._symbol] = value;
     }
  
     test () {
         this._private = "Private!";
         console.log(this._private);
     }
  }
  
  const private = new Private();
  private.test();