docs: function(connectionName, collectionName, options, stream) {
  
        options = options || {};
  
        var connectionObject = connections[connectionName];
        if (!connectionObject) return stream.end(Errors.InvalidConnection);
  
        var collection = connectionObject.collections[collectionName];
        if (!collection) return stream.end(Errors.CollectionNotRegistered);
  
        collection.stream(options, stream);
      }