docs: function() {
        var idContainerDefinition = this.ids.idContainer;
        var idContainer;
        if (_.isUndefined(idContainerDefinition)) {
          idContainer = undefined;
        } else if (_.isFunction(idContainerDefinition)) {
          var idContainerFxn = _.bind(idContainerDefinition, this);
          idContainer = idContainerFxn();
        } else if (_.isObject(idContainerDefinition)) {
          idContainer = idContainerDefinition;
        } else {
          throw new Error('Invalid idContainer.  Not an object or function: ' + JSON.stringify(this.ids));
        }
        return idContainer;
      }