taiga: Strengthen types using WildValue.
taiga: Strengthen types using WildValue.

andersk/zulip,andersk/zulip,rht/zulip,rht/zulip,rht/zulip,zulip/zulip,zulip/zulip,zulip/zulip,rht/zulip,andersk/zulip,zulip/zulip,andersk/zulip,andersk/zulip,zulip/zulip,andersk/zulip,rht/zulip,zulip/zulip,rht/zulip,andersk/zulip,rht/zulip,zulip/zulip