libchamplain-0.12-dev 0.12.19-3 (arm64 binary) in ubuntu focal

 Libchamplain is a C library providing a ClutterActor to
 display maps.
 .
 It supports numerous free map sources such as
 OpenStreetMap (default), OpenArialMap and Maps for free.
 .
 This package contains the header files required if you wish
 to develop software that uses libchamplain.