How to use @cloudbase/node-sdk

constructor(
    @Inject('TCB_CONFIG') private readonly tcbConfig: TcbConfigSchema,
  ) {
    this.app = tcb.init(this.tcbConfig);
    this.db = this.app.database();
  }

constructor(
    @Inject('TCB_CONFIG') private readonly tcbConfig: TcbConfigSchema,
  ) {
    this.app = tcb.init(this.tcbConfig);
    this.db = this.app.database();
  }