/**
 * Markdown normalizer — clean markdown for Feishu docx API.
 *
 * Ported from feishu_tool.py normalize_markdown_for_feishu.
 */
export interface NormalizationReport {
    tableSeparatorFixed: number;
    duplicateLooseMetaRemoved: boolean;
    htmlPresent: boolean;
    addOnsMermaidConverted: number;
    mermaidThemeApplied: number;
    calloutDslConverted: number;
    quoteContainerConverted: number;
}
export declare const MERMAID_EDGE_LABEL_BG = "#f4deff";
export declare function applyMermaidTheme(source: string): {
    text: string;
    themed: boolean;
};
export declare function themeMermaidFences(md: string): {
    text: string;
    themed: number;
};
/**
 * Convert Feishu <add-ons> mermaid blocks to ```mermaid fences.
 *
 * Fetch returns mermaid diagrams as a single-line tag:
 *   <add-ons component-type-id="blk_631fefbbae02400430b8f9f4" record="{"data":"graph TD\n...","theme":"base","view":"chart"}"/>
 *
 * lark-cli docs +create (v1.0.6+) accepts ```mermaid fences and creates whiteboard blocks.
 * This conversion enables round-trip upload of mermaid diagrams.
 *
 * JSON.parse handles \n → newline and \u003e → > inside the data field automatically.
 */
export declare function convertAddOnsToMermaid(md: string): {
    text: string;
    converted: number;
};
/**
 * Lint markdown for common Feishu issues.
 * Returns list of warnings (informational only).
 */
export declare function lintMarkdown(mdText: string): string[];
/**
 * Unescape \| → | inside lark-table blocks.
 * In markdown tables, | is a cell delimiter so unescaping would break parsing.
 * Safe to call twice: before lark-table conversion (no-op for markdown tables)
 * and after (converts escaped pipes in lark-table cells).
 * Code fences are always skipped.
 */
export declare function unescapePipes(md: string): string;
/**
 * Convert <quote-container>...</quote-container> for lark-cli upload.
 *
 * <quote-container> appears in documents fetched from Feishu (lark-cli emits this XML
 * to represent QuoteContainer blocks). However lark-cli's upload path has no parser for
 * <quote-container> — it is fetch-only. Uploading it silently drops the block.
 *
 * Context-dependent conversion:
 *   - Inside <lark-table>: → <callout> (grey) — blockquotes don't work in table cells.
 *   - Outside <lark-table>: → blockquote `>` — native markdown, renders natively in Feishu.
 */
export declare function convertQuoteContainerToCallout(md: string): {
    text: string;
    converted: number;
};
/**
 * Convert [!callout attrs]...content...[/callout] DSL to <callout attrs>...content...</callout> XML.
 *
 * The bracket DSL is an alternative authoring syntax (also appears in some Feishu exports).
 * Converting it early ensures all downstream steps (hasOpeningCallout, injectOpeningCallout,
 * convertBlockquotesToCallouts) see a single canonical XML form.
 */
export declare function convertCalloutDslToXml(md: string): {
    text: string;
    converted: number;
};
/**
 * Full normalization pipeline.
 */
export declare function normalizeMarkdown(mdText: string): {
    text: string;
    report: NormalizationReport;
};
/**
 * Bold table header cells (rows directly above a separator row).
 */
export declare function boldTableHeaders(md: string): string;
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