package Ġch oo ong g . box . core . state Page Ċ Ċ import Ġch oo ong g . box . core . state Page . state . Multi State Ċ Ċ interface ĠOn Retry EventListener Ġ{ ĊĠĠĠ Ġfun Ġon Retry Event ( state : ĠMulti State ) Ċ }