Binary package “libmessaging-menu-dev” in ubuntu mantic

Ayatana Messaging Menu - library development files

 A place on the user's desktop that collects messages that need a response.
 .
 This menu provides a condensed and collected view of all of those messages
 for quick access, but without making them annoying in times that you want
 to ignore them.
 .
 This package provides development files for the Messaging Menu shared
 library.