protected JRDesignGroup getJRGroupFromDJGroup(DJGroup group) {
        int index = getReport().getColumnsGroups().indexOf(group);
        return (JRDesignGroup) realGroups.get(index);
    }
protected JRDesignGroup getJRGroupFromDJGroup ( DJGroup group ) { int index = getReport ( ) . getColumnsGroups ( ) . indexOf ( group ) ; return ( JRDesignGroup ) realGroups . get ( index ) ; }
*
Finds JRDesignGroup associated to a DJGroup

@param group
@return