private com.google.protobuf.SingleFieldBuilder<im.turms.plugin.livekit.core.proto.egress.EncodingOptions, im.turms.plugin.livekit.core.proto.egress.EncodingOptions.Builder, im.turms.plugin.livekit.core.proto.egress.EncodingOptionsOrBuilder> getAdvancedFieldBuilder() {
            if (advancedBuilder_ == null) {
                if (!(optionsCase_ == 7)) {
                    options_ = im.turms.plugin.livekit.core.proto.egress.EncodingOptions
                            .getDefaultInstance();
                }
                advancedBuilder_ = new com.google.protobuf.SingleFieldBuilder<>(
                        (im.turms.plugin.livekit.core.proto.egress.EncodingOptions) options_,
                        getParentForChildren(),
                        isClean());
                options_ = null;
            }
            optionsCase_ = 7;
            onChanged();
            return advancedBuilder_;
        }
<pre>
(optional)
</pre>

<code>.livekit.EncodingOptions advanced = 7;</code>
turms-plugins/turms-plugin-livekit/src/main/java/im/turms/plugin/livekit/core/proto/egress/TrackCompositeEgressRequest.java