12.0

[java]
public class BookSellerAgent extends SemanticAgentBase {
class BookSellerCapabilities extends SemanticCapabilities {…}
class UpdateBookListBehaviour extends TickerBehaviour {…}
public BookSellerAgent() {…}
public void setup() {…}
}

======================================

public class BookBuyerAgent extends SemanticAgentBase {
class BookBuyerCapabilities extends SemanticCapabilities {…}
class AdjustBuyingPriceBehaviour extends TickerBehaviour {…}
public BookBuyerAgent() {…}
public void setup() {…}
}
[/java]