import type { ArkmeContentBlock } from '../types.js';
export interface ArticleExportContent {
    title: string;
    textContent: string;
    textFormat?: 'plain' | 'markdown' | undefined;
    contentBlocks?: ArkmeContentBlock[] | undefined;
}
interface Run {
    text: string;
    bold?: boolean;
    italic?: boolean;
    mono?: boolean;
}
export type ArticleExportBlock = {
    kind: 'text';
    runs: Run[];
    size: number;
    gap: number;
    quote?: boolean;
} | {
    kind: 'image';
    ref: string;
    alt: string;
};
export declare const ARTICLE_IMAGE_WIDTH = 420;
export declare const ARTICLE_IMAGE_PAGE_HEIGHT = 2400;
export declare function articleExportFileName(title: string): string;
/** Semantic mobile layout; wide tables become labeled rows rather than clipped columns. */
export declare function articleExportBlocks(article: ArticleExportContent): ArticleExportBlock[];
export declare function articleExportMarkdown(article: ArticleExportContent): string;
export declare function downloadArticleBlob(blob: Blob, name: string): void;
export declare function wrapArticleRuns(runs: Run[], size: number, width: number, measure: (text: string, run: Run, size: number) => number): Run[][];
export declare function articleBoundImage(ref: string, blocks?: readonly ArkmeContentBlock[]): ArkmeContentBlock;
export declare function exportArticleImages(article: ArticleExportContent, signal: AbortSignal, progress: (label: string) => void): Promise<Blob[]>;
/** Keep the Markdown portable: image data is embedded instead of exporting expiring local URLs. */
export declare function exportArticleMarkdown(article: ArticleExportContent, signal: AbortSignal): Promise<Blob>;
export {};
//# sourceMappingURL=long-article-export.d.ts.map