Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:p_conrad:java/openSUSE_Tumbleweed/home:p_conrad:java.repo
zypper refresh
zypper install google-gson
Para openSUSE Factory execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:p_conrad:java/openSUSE_Factory/home:p_conrad:java.repo
zypper refresh
zypper install google-gson
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:p_conrad:java/15.6/home:p_conrad:java.repo
zypper refresh
zypper install google-gson
Para 15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:p_conrad:java/15.5/home:p_conrad:java.repo
zypper refresh
zypper install google-gson
Para 15.4 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:p_conrad:java/15.4/home:p_conrad:java.repo
zypper refresh
zypper install google-gson