/**
 * Settings for ancillary captions source.
 */
export interface _AncillarySourceSettings {
    /**
     * Specifies the 608 channel number in the ancillary data track from which to extract captions. Unused for passthrough.
     */
    SourceAncillaryChannelNumber?: number;
}
export declare type _UnmarshalledAncillarySourceSettings = _AncillarySourceSettings;