package Ġio . def itr ack . protocol Ċ Ċ import Ġio . def itr ack . common . network . Network Ċ Ċ interface ĠAbstract Hop Service Ġ{ ĊĠĠĠ Ġfun Ġget St aking Rewards (): ĠList < String > ĊĠĠĠ Ġfun Ġget Network (): ĠNetwork ĊĠĠĠ Ġfun Ġget Graph (): ĠString Ċ }