As hotfix one can execute sudo dpkg -i --force-all /var/cache/apt/archives/libwagon2-java_2.2-3+nmu1_all.deb
this will force installation of libwagon2 and then maven installation can be proceeded.
As hotfix one can execute apt/archives/ libwagon2- java_2. 2-3+nmu1_ all.deb
sudo dpkg -i --force-all /var/cache/
this will force installation of libwagon2 and then maven installation can be proceeded.