<T extends Serializable,R extends ICrossViewScopeRequest<T>> void | 
DesignerConversationBean.registerRequestHandler(Class<R> requestType,
                      ICrossViewScopeRequestHandler<T,R> requestHandler) | 
 Registers the given conversation request handler for the active designer conversation. 
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<T extends Serializable,R extends ICrossViewScopeRequest<T>> void | 
DesignerPageBean.registerRequestHandler(Class<R> requestType,
                      ICrossViewScopeRequestHandler<T,R> requestHandler) | 
 Registers the given conversation request handler for the active designer conversation. 
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<T extends Serializable,R extends ICrossViewScopeRequest<T>> void | 
DesignerConversationBean.unregisterRequestHandler(Class<R> requestType,
                        ICrossViewScopeRequestHandler<T,R> requestHandler,
                        String conversationId) | 
 Unregisters the given conversation request handler for the active designer conversation. 
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