public boolean hasPreset() {
        return optionsCase_ == 4;
    }
<pre>
(default H264_720P_30)
</pre>

<code>.livekit.EncodingOptionsPreset preset = 4;</code>

@return Whether the preset field is set.
turms-plugins/turms-plugin-livekit/src/main/java/im/turms/plugin/livekit/core/proto/egress/ParticipantEgressRequest.java