org.cactoos org.cactoos.bytes org.cactoos.collection org.cactoos.experimental org.cactoos.func org.cactoos.io org.cactoos.iterable org.cactoos.iterator org.cactoos.list org.cactoos.map org.cactoos.proc org.cactoos.scalar org.cactoos.set org.cactoos.text org.cactoos.time