code: function InboxPage(controller, vox, view) {
    this.controller = controller;
    this.vox = vox;
    this.view = view;
    this.visible = false;
    this._unreadCounts = {};
    this._readStream = this.vox.createReadStream({
          type: 'MESSAGE',
          startSeq: 1,
          checkpointKey: SYNC_CHECKPOINT
      })
      .on('data', this._incrementUnreadCount.bind(this))
      .on('error', this._onReadStreamError.bind(this));
  }
docs: ////////////// Inbox Page // //////////////