@java.lang.Override
    public Builder newBuilderForType() {
        return newBuilder();
    }
<pre>
metadata to update. skipping updates if left empty
</pre>

<code>string metadata = 2;</code>

@return The bytes for metadata.
turms-plugins/turms-plugin-livekit/src/main/java/im/turms/plugin/livekit/core/proto/room/UpdateRoomMetadataRequest.java