kdelibs5-dev 4:4.0.0-0ubuntu3 (amd64 binary) in ubuntu hardy

 This package contains all the headers and other related files needed
 to compile KDE applications, or develop applications which use the
 core KDE libraries.
 .
 This package is part of KDE, and a component of the KDE libraries module.
 See the 'kde4' and 'kdelibs5' packages for more information.