public Builder clearPreset() {
            if (optionsCase_ == 1) {
                optionsCase_ = 0;
                options_ = null;
                onChanged();
            }
            return this;
        }
<pre>
(default H264_720P_30)
</pre>

<code>.livekit.EncodingOptionsPreset preset = 1;</code>

@return This builder for chaining.
turms-plugins/turms-plugin-livekit/src/main/java/im/turms/plugin/livekit/core/proto/egress/AutoParticipantEgress.java