text: export default class Timer {
      constructor() {
          this._remainingSecondsCount = 60;
      }
  
      get remainingSecondsCount() {
          return this._remainingSecondsCount;
      }
  
      startCountdown() {
          const timerInterval = setInterval(() => {
              if (this._remainingSecondsCount < 0) {
                  clearInterval(timerInterval);
              } else {
                  this._remainingSecondsCount--;
              }
          }, 1000);
      }
  }