docs: function populateSnapshot(app, uid, cb) {
    logger.debug('populateSnapshot entry');
  
    app.models.snapshot.create(
      { id: uid,
        refcount: '1',
        current: 'false' },
      function(err, mymodel) {
        if (err) {
          logger.error('populateSnapshot error');
          cb(err);
          return;
        }
        logger.debug('populateSnapshot exit: %j', mymodel);
        cb();
      });
  }