private ImmutableList<String> getAllReversed(IN_NAME name) {
        final int h = hashName(name);
        final int i = index(h);
        Entry e = entries[i];

        if (e == null) {
            return ImmutableList.of();
        }

        final ImmutableList.Builder<String> builder = ImmutableList.builder();
        do {
            if (e.hash == h) {
                final NAME currentName = e.key;
                if (currentName != null && nameEquals(currentName, name)) {
                    builder.add(e.getValue());
                }
            }
            e = e.next;
        } while (e != null);
        return builder.build();
    }
Validates the given user-specified {@code value}.
core/src/main/java/com/linecorp/armeria/common/StringMultimap.java