gir1.2-ebackend-1.2 3.36.5-0ubuntu1 (amd64 binary) in ubuntu focal

 The data server, called "Evolution Data Server" is responsible for managing
 calendar and addressbook information.
 .
 This package contains introspection data for the libedataserver
 library. It can be used by packages using the GIRepository format to
 generate dynamic bindings.