-import static com.google.common.base.Optional.absent;
-import static com.google.common.base.Optional.fromNullable;
-import static com.google.common.base.Predicates.not;
-import static com.google.common.collect.FluentIterable.from;
-import static net.pterodactylus.sone.freenet.wot.Identity.TO_CONTEXTS;
-import static net.pterodactylus.sone.freenet.wot.Identity.TO_PROPERTIES;