public Builder mergeParticipant(
                im.turms.plugin.livekit.core.proto.models.ParticipantInfo value) {
            if (participantBuilder_ == null) {
                if (((bitField0_ & 0x00000004) != 0)
                        && participant_ != null
                        && participant_ != im.turms.plugin.livekit.core.proto.models.ParticipantInfo
                                .getDefaultInstance()) {
                    getParticipantBuilder().mergeFrom(value);
                } else {
                    participant_ = value;
                }
            } else {
                participantBuilder_.mergeFrom(value);
            }
            if (participant_ != null) {
                bitField0_ |= 0x00000004;
                onChanged();
            }
            return this;
        }
<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