kdelibs4-dev 4:3.5.10.dfsg.1-5ubuntu1 (amd64 binary) in ubuntu natty

 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 'kde' and 'kdelibs' packages for more information.