- @Nonnull protected abstract P ipv4Prefix(@Nonnull P4 addr);
- @Nonnull protected abstract P ipv6Prefix(@Nonnull P6 addr);
- @Nonnull protected abstract String ipv4AddressString(@Nonnull A4 addr);
- @Nonnull protected abstract String ipv6AddressString(@Nonnull A6 addr);
- @Nonnull protected abstract String ipv4PrefixString(@Nonnull P4 prefix);
- @Nonnull protected abstract String ipv6PrefixString(@Nonnull P6 prefix);
+ protected abstract @NonNull P ipv4Prefix(@NonNull P4 addr);
+ protected abstract @NonNull P ipv6Prefix(@NonNull P6 addr);
+ protected abstract @NonNull String ipv4AddressString(@NonNull A4 addr);
+ protected abstract @NonNull String ipv6AddressString(@NonNull A6 addr);
+ protected abstract @NonNull String ipv4PrefixString(@NonNull P4 prefix);
+ protected abstract @NonNull String ipv6PrefixString(@NonNull P6 prefix);