@java.lang.Override
        public boolean hasLastUpdatedDate() {
            return instance.hasLastUpdatedDate();
        }
<code>optional int64 last_updated_date = 2;</code>

@return Whether the lastUpdatedDate field is set.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/model/user/UserRelationshipsWithVersion.java