question: public void init ( String flagzDirectory ) throws FlagException , EtcdFlagFieldUpdaterException { this . directoryPrefix = MoreObjects . firstNonNull ( flagzDirectory , directoryFlag . get ( ) ) ; client = new EtcdClient ( uris . toArray ( new URI [ uris . size ( ) ] ) ) ; client . setRetryHandler ( retryPolicy ) ; initialSetAllFlagz ( ) ; }
target:  Init performs the initial read of values from etcd. 