@java.lang.Override
    public im.turms.plugin.livekit.core.proto.models.UserPacket getDefaultInstanceForType() {
        return DEFAULT_INSTANCE;
    }
<pre>
topic under which the message was published
</pre>

<code>optional string topic = 4;</code>

@param value The bytes for topic to set.
@return This builder for chaining.
turms-plugins/turms-plugin-livekit/src/main/java/im/turms/plugin/livekit/core/proto/models/UserPacket.java