public static List<CIKey> listOf(final String... keys) {
        return NullSafe.stream(keys)
                .map(CIKey::of)
                .collect(Collectors.toList());
    }
Create a case-insensitive keyed {@link Entry} from a simple {@link String} keyed {@link Entry}.
stroom-util-shared/src/main/java/stroom/util/shared/string/CIKey.java