4.0.0 org.reactivestreams reactive-streams jar reactive-streams http://www.reactive-streams.org/ 0.4.0.M1 CC0 http://creativecommons.org/publicdomain/zero/1.0/ repo reactive-streams org.reactivestreams http://www.reactive-streams.org/ git@github.com:reactive-streams/reactive-streams.git scm:git:git@github.com:reactive-streams/reactive-streams.git reactive-streams-sig Reactive Streams SIG http://www.reactive-streams.org/