/**
 * Promptbook branding metadata embedded into standalone chat exports.
 */
type PromptbookExportBranding = {
    readonly productName: string;
    readonly creatorTool: string;
    readonly metadataSummary: string;
    readonly keywords: ReadonlyArray<string>;
    readonly commentLines: ReadonlyArray<string>;
    readonly detailLines: ReadonlyArray<string>;
};
/**
 * Builds shared Promptbook export branding for standalone save formats.
 *
 * @private internal utility of chat save format definitions
 */
export declare function getPromptbookExportBranding(): PromptbookExportBranding;
export {};