| Class | Description | 
|---|---|
| CommerceADCConfiguration | These are the commerce specific configuration properties
 when using ADC | 
| CommerceADCRequestData | This class extends ADCRequestData to remember what product
 was viewed in this request. | 
| CommerceADCSessionData | This class extends ADCSessionData to hold a list of
 products that have been viewed. | 
| ProductViewed | This class will hold information for a product that has been viewed. |