libkdecore5 4:4.14.38-0ubuntu1 (arm64 binary) in ubuntu bionic

 All KDE Applications use this library to provide basic functionality such as
 the configuration system, IPC, internationalization and locale support,
 site-independent access to the filesystem and a large number of other (but no
 less important) things. The classes in this library does not require linkage
 to QtGui or any other library that requires a graphical interface.
 .
 This package is part of the KDE Development Platform libraries module.