}
      },

      idleTime: {
        enumerable: true,
        configurable: true,
        get: loopIdleTime,
      }
    });
  }

  [kInspect](depth, options) {
    if (depth < 0) return this;

    const opts = {
      ...options,
      depth: options.depth == null ? null : options.depth - 1
    };

    return `PerformanceNodeTiming ${inspect(this.toJSON(), opts)}`;
  }

  toJSON() {
    return {
      name: 'node',
      entryType: 'node',
      startTime: this.startTime,
      duration: this.duration,
      nodeStart: this.nodeStart,
      v8Start: this.v8Start,
      bootstrapComplete: this.bootstrapComplete,
      environment: this.environment,
      loopStart: this.loopStart,
      loopExit: this.loopExit,
      idleTime: this.idleTime,
    };
  }
}

ObjectSetPrototypeOf(
  PerformanceNodeTiming.prototype,
  PerformanceEntry.prototype);

module.exports = new PerformanceNodeTiming();