libnodelet-topic-tools-dev 1.9.16-2build2 (armhf binary) in ubuntu focal

 This package is part of Robot OS (ROS). Nodelet is designed to
 provide a way to run multiple algorithms in the same process with
 zero copy transport between algorithms.
 .
 This package contains the development files for common nodelet tools
 such as a mux, demux and throttle.