value = footer.accept( this, value );
if ( footer != null ) { value = footer.accept( this, value ); }
		public Object visitGroup( GroupDesign group, Object value )		{			BandDesign header = group.getHeader( );			value = header.accept( this, value );			BandDesign footer = group.getFooter( );			value = footer.accept( this, value );			return value;		}