import { Buffer } from './string_buffer';
import { Renderer } from './renderer';
import { Block, ImageBlock, TableBlock, TableMergeInfo, TextBlock, TextElement, TextRun } from './types';
/**
 * Markdown Renderer
 *
 * Convert Feishu Docx to Markdown GFM
 *
 * This is inspired by feishu2md (Go version)
 * https://github.com/Wsine/feishu2md/blob/cb906109235b07b82b5a6348bdf1103c9fa1e62c/core/parser.go
 */
export declare class MarkdownRenderer extends Renderer {
    parseBlock(block: Block, indent: number): string;
    /**
     * Parse this first block as PageMeta
     *
     * Return false if not found first code block.
     * Otherwise return true if parsed as YAML, false if not YAML.
     *
     * https://longbridgeapp.github.io/feishu-pages/zh-CN/page-meta
     *
     * @param block
     * @returns
     */
    parsePageMeta(block: Block): any;
    parsePageBlock(block: Block): Buffer | string;
    parseTextBlock(block: Block, textBlock: TextBlock): Buffer | string;
    parseBulletBlock(block: Block, indent?: number): Buffer | string;
    parseOrderedBlock(block: Block, indent?: number): Buffer | string;
    parseTextElement(buf: Buffer, el: TextElement, inline: boolean): void;
    parseTextRun(buf: Buffer, textRun: TextRun): void;
    parseImage(image: ImageBlock): Buffer | string;
    parseTableCell(block: Block): Buffer | string;
    parseTable(table: TableBlock): Buffer | string;
    parseTableAsHTML(table: TableBlock): Buffer | string;
    parseQuoteContainer(block: Block): Buffer | string;
    parseView(block: Block): Buffer | string;
    parseFile(block: Block): Buffer | string;
    parseGrid(block: Block): string;
    parseGridColumn(block: Block): Buffer | string;
    parseCallout(block: Block): Buffer | string;
    parseIframe(block: Block): Buffer | string;
    parseBoard(board: ImageBlock): Buffer | string;
    parseSyncedBlock(block: Block): Buffer;
    parseUnsupport(block: Block): string;
    markdownToHTML(markdown: string): string;
    tableCellAttrHTML(mergeInfos: TableMergeInfo[], idx: number): string;
    isComplexTable(table: TableBlock): boolean;
}