net.sf.jasperreports.crosstabs
Interfaces 
JRCellContents
JRCrosstab
JRCrosstabBucket
JRCrosstabCell
JRCrosstabColumnGroup
JRCrosstabDataset
JRCrosstabGroup
JRCrosstabMeasure
JRCrosstabParameter
JRCrosstabRowGroup