@java.lang.Override
        public long getTimestamp() {
            return timestamp_;
        }
<pre>
Common =&gt; [1, 3]
</pre>

<code>int64 timestamp = 1;</code>

@return The timestamp.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/notification/TurmsNotification.java