/** One credited line — a person, a studio, an asset pack, a tool. */
export interface CreditsEntry {
    /** Who or what is credited. */
    label: string;
    /** Free-string qualifier shown beside the label — a role, a license, a pack title. */
    detail?: string;
    /** Where the work came from. Never fetched; the view decides whether to link it. */
    href?: string;
}
/** A titled group of entries — "Design", "Music", "3D Assets". */
export interface CreditsSection {
    heading: string;
    entries: readonly CreditsEntry[];
}
/** Everything a credits screen shows. `notice` is the closing line (a license summary, a thank-you). */
export interface CreditsDocument {
    title?: string;
    sections: readonly CreditsSection[];
    notice?: string;
}
/**
 * Merges credit documents into one, concatenating same-heading sections in first-seen order and
 * dropping exact duplicate entries. Use it to fold generated credits (asset packs, dependencies)
 * into the game's hand-authored ones without curating the overlap by hand.
 *
 * @capability merge-credits fold generated and hand-authored credit documents into one, deduped by entry
 */
export declare function mergeCredits(...documents: readonly (CreditsDocument | null | undefined)[]): CreditsDocument;
/**
 * Groups entries into sections by a caller-supplied key — the shape most generated credits arrive
 * in (a flat list of things used, grouped by license, provider, or role). Section order follows
 * first appearance, so a stable input gives a stable screen.
 *
 * @capability group-credits turn a flat list of credited things into ordered credit sections
 */
export declare function groupCredits<T>(items: readonly T[], heading: (item: T) => string, entry: (item: T) => CreditsEntry): CreditsSection[];