public static im.turms.client.model.proto.model.user.UserFriendRequestsWithVersion getDefaultInstance() {
        return DEFAULT_INSTANCE;
    }
<code>optional int64 last_updated_date = 2;</code>

@return This builder for chaining.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/model/user/UserFriendRequestsWithVersion.java