/** Header metadata extracted from a score's `\header` block(s). */
export interface LilypondMetadata {
    arranger?: string;
    composer?: string;
    copyright?: string;
    dedication?: string;
    instrument?: string;
    meter?: string;
    opus?: string;
    piece?: string;
    poet?: string;
    subsubtitle?: string;
    subtitle?: string;
    tagline?: string;
    title?: string;
    [field: string]: string | undefined;
}
/** Tags a bag of parsed `\header` fields (see `parseLyHeaderFields`) as `LilypondMetadata`. */
export declare function toLilypondMetadata(fields: Record<string, string>): LilypondMetadata;