| Class | Description | 
|---|---|
| DAInitiatorPlan | This plan implements the initiator of the "FIPA Dutch Auction Interaction
  Protocol Specification" (XC00032 - Experimental)
  
  A dutch auction is one where the auctioneer starts with a high start price
  and continually lowers it until the first bidder accepts the price. | 
| DAReceiverPlan | This plan implements the receiver of the "FIPA Dutch Auction Interaction
  Protocol Specification" (XC00032 - Experimental). |