package Ġorg . wicket . call tree . services Ċ Ċ import Ġorg . springframework . data . domain . Page Ċ import Ġorg . wicket . call tree . dto . B cp Event Dto Ċ import Ġorg . wicket . call tree . model . B cp Start Request Ċ import Ġorg . wicket . call tree . models . B cp Event Ċ Ċ interface ĠCall Tree Service Ġ{ ĊĠ Ġfun Ġinitiate Calls ( b cp Start Request : ĠB cp Start Request ) Ġ: ĠLong ĊĊĠ Ġfun Ġreply ToS ms ( body : ĠString ) Ġ: ĠString ĊĊĠ Ġfun Ġend Event ( b cp Event Dto : ĠB cp Event Dto ) ĊĊĠ Ġfun Ġpage d Events ( page : ĠInt , Ġsize : ĠInt ): ĠPage < B cp Event > Ċ }