message: implemented acknowledgement for reliavle clients
diff: @@ -31,3 +31,9 @@ export function getSessionLastTimeStampForChannel(query: any, channel: string, c
  resolve(new Date());
  })
  }
  +
  +export function getSessionLastAckForChannel(query: any, channel: string, curSession?: any) {
  + return new Promise((resolve, reject) => {
  + resolve(new Date());
  + })
  +}
  \ No newline at end of file
  