public im.turms.plugin.livekit.core.proto.models.ParticipantInfoOrBuilder getParticipantOrBuilder() {
            if (participantBuilder_ != null) {
                return participantBuilder_.getMessageOrBuilder();
            } else {
                return participant_ == null
                        ? im.turms.plugin.livekit.core.proto.models.ParticipantInfo
                                .getDefaultInstance()
                        : participant_;
            }
        }
<pre>
set when event is participant_* or track_*
</pre>

<code>.livekit.ParticipantInfo participant = 3;</code>
turms-plugins/turms-plugin-livekit/src/main/java/im/turms/plugin/livekit/core/proto/webhook/WebhookEvent.java