docs: function(computedAliasOrConfig) {
        var config,
          modelAliases = [];
        if (_.isString(computedAliasOrConfig)) {
          config = this.getMapping(computedAliasOrConfig);
        } else {
          config = computedAliasOrConfig;
        }
        return _.filter(_.keys(config.mapping), function(key) {
          return key != 'pull' && key != 'push';
        });
      }