/** One effective authority for viewers that accept both remote and inline input. */
export type LyraViewerSource<Inline> =Readonly<{kind:'url';url:string;}> |Readonly<{kind:'inline';value:Inline;}> |null;
/** Normalizes presence-based inline precedence into an immutable discriminated snapshot. */
export declare function resolveViewerSource<Inline>(url:string,inline:Inline|undefined):LyraViewerSource<Inline>;