boolean offline = isOfflineScan(context);
boolean isolated = isIsolated(context);
boolean localIterators = usesLocalIterators(context);
boolean mockInstance = (null != instance && MockInstance.class.equals(instance.getClass()));
Set<Pair<Text,Text>> fetchedColumns = getFetchedColumns(context);
Authorizations auths = getScanAuthorizations(context);
String principal = getPrincipal(context);
String tokenClass = getTokenClass(context);
byte[] tokenBytes = getToken(context);
AuthenticationToken token;