Binary package “libdbusmenu-jsonloader-dev” in ubuntu focal

library for passing menus over DBus - Test lib development files

 libdbusmenu passes a menu structure across DBus so that a program can
 create a menu simply without worrying about how it is displayed on the
 other side of the bus.
 .
 This package contains files that are needed to build test suites in
 applications or libraries using dbusmenu.