/**
 * Simple Quip API client implementation for the MCP server
 */
export declare class QuipClient {
    private accessToken;
    private baseUrl;
    private axiosInstance;
    /**
     * Initialize the Quip client with the given access token and base URL
     *
     * @param accessToken Quip API access token
     * @param baseUrl Base URL for the Quip API (default: https://platform.quip.com)
     */
    constructor(accessToken: string, baseUrl?: string);
    /**
     * Get a thread by ID
     *
     * @param threadId ID of the thread to retrieve
     * @returns Promise resolving to thread information
     * @throws Error if the request fails
     */
    getThread(threadId: string): Promise<Record<string, any>>;
    /**
     * Export a thread to XLSX format and save it locally
     *
     * @param threadId ID of the thread to export
     * @param outputPath Local file path where the XLSX file should be saved
     * @returns Promise resolving to path to the saved XLSX file
     * @throws Error if the request fails
     */
    exportThreadToXLSX(threadId: string, outputPath: string): Promise<string>;
    /**
     * Export a thread to CSV format using HTML parsing as fallback method
     *
     * @param threadId ID of the thread to export
     * @param sheetName Name of the sheet to extract (optional)
     * @returns Promise resolving to CSV data as string
     * @throws Error if the thread is not found or does not contain a spreadsheet
     */
    exportThreadToCSVFallback(threadId: string, sheetName?: string): Promise<string>;
    /**
     * Check if a thread is a spreadsheet
     *
     * @param threadId ID of the thread to check
     * @returns Promise resolving to true if the thread is a spreadsheet, false otherwise
     */
    isSpreadsheet(threadId: string): Promise<boolean>;
}
/**
 * Find a spreadsheet with the given name in the document HTML
 *
 * @param documentHtml HTML content of the document
 * @param sheetName Name of the sheet to find (optional)
 * @returns Cheerio element or null if not found
 */
export declare function findSheetByName(documentHtml: string, sheetName?: string): any;
/**
 * Extract data from a sheet element
 *
 * @param sheet Cheerio element
 * @returns Array of rows, where each row is an array of cell values
 */
export declare function extractSheetData(sheet: any): string[][];
/**
 * Convert XLSX file to CSV format, optionally extracting a specific sheet
 *
 * @param xlsxPath Path to the XLSX file
 * @param sheetName Name of the sheet to extract (optional)
 * @returns CSV data as string
 * @throws Error if the sheet is not found
 */
export declare function convertXLSXToCSV(xlsxPath: string, sheetName?: string): string;