libkf5calendarcore-dev 5:5.101.0-0ubuntu1 (amd64 binary) in ubuntu lunar

 This library provides access to and handling of calendar data.
 It supports the standard formats iCalendar and vCalendar and the
 group scheduling standard iTIP.
 .
 This package is part of KDE Frameworks 5.
 .
 This package contains the development files.