* {@link ConversationProcessor#processConversations(ConversationAdapter)} and
* passes in a {@link SpringConversationAdapter}.
*/
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
ConversationContextManager contextManager = conversationContextManagerProvider.getManager(request);
ConversationAdapter adapter = new SpringConversationAdapter(request, (HandlerMethod) handler, contextManager);
conversationProcessor.processConversations(adapter);
return true;
}