Consider Fig. 13-28, try to present a concentration version of this diagram and present the corresponding (smelling) code.

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Interface : Controller send proposal(a_proposal_id,a_federal_manager_id) a proposal: Proposal a_proposal get proposals(a_proposal_id) a_federal_manager = get_person(a_federal_manager_id) create_new_sending(a_federal_manager) new sending = Create() new_sending: Sending add_sending(new_sending) add_federal_manager(a_federal_manager) FIGURE 13-28 A sequence diagram with a delegate message.