libqpid-proton-cpp12 0.22.0-3.3build1 (s390x binary) in ubuntu focal

 Qpid Proton is a high-performance, lightweight messaging library. It can be
 used in the widest range of messaging applications, including brokers, client
 libraries, routers, bridges, proxies, and more. Proton makes it trivial to
 integrate with the AMQP 1.0 ecosystem from any platform, environment, or
 language.
 .
 This package provides the C++ shared libraries for Qpid Proton.