@java.lang.Override
        public long getLastUpdatedDate() {
            return instance.getLastUpdatedDate();
        }
<code>optional int64 last_updated_date = 3;</code>

@return The lastUpdatedDate.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/user/relationship/QueryRelatedUserIdsRequest.java