三一车辆实时位置添加判断null提交

zhangnaisong

2023-07-22 e03adc9fa7d0bc2fbb9c78b67de3c734e5d9a643

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export class SubscriptionLog {
  constructor(public subscribedFrame: number,
              public unsubscribedFrame: number = Number.POSITIVE_INFINITY) {
  }
}