/**
 * F5 CLI - Mondai (問題管理表) Converter
 *
 * Specialized converter for Japanese issue management Excel files
 * with embedded images/attachments in detail sheets.
 *
 * Structure:
 * - Main sheet (動作確認一覧): Issue list with No, summary, status, etc.
 * - Detail sheets (No.XXX): Per-issue details with embedded images
 *
 * @module @f5/cli/commands/import/converters/mondai-converter
 * @version 1.0.0
 */
import type { F5Issue } from '../../../types/integrations.js';
export interface MondaiConversionResult {
    issues: F5Issue[];
    attachments: Map<string, ExtractedAttachment[]>;
    stats: {
        totalIssues: number;
        totalAttachments: number;
        issuesByType: Record<string, number>;
        issuesByPriority: Record<string, number>;
    };
    warnings: string[];
}
export interface ExtractedAttachment {
    issueNo: string;
    filename: string;
    extension: string;
    buffer: Buffer;
    mimeType: string;
    size: number;
}
export interface MondaiConverterOptions {
    mainSheetName?: string;
    headerRow?: number;
    outputDir?: string;
    extractImages?: boolean;
}
export declare class MondaiConverter {
    private filePath;
    private options;
    private warnings;
    constructor(filePath: string, options?: MondaiConverterOptions);
    /**
     * Convert Excel file to F5 issues with attachments
     */
    convert(): Promise<MondaiConversionResult>;
    /**
     * Parse main sheet to extract issues
     */
    private parseMainSheet;
    /**
     * Extract images from all detail sheets (No.XXX)
     */
    private extractAllImages;
    /**
     * Save extracted attachments to disk
     */
    saveAttachments(attachments: Map<string, ExtractedAttachment[]>, baseDir: string): Promise<Map<string, string[]>>;
    /**
     * Get cell value as string
     */
    private getCellValue;
    /**
     * Parse date from cell value
     */
    private parseDate;
    /**
     * Get MIME type from extension
     */
    private getMimeType;
    /**
     * Calculate conversion statistics
     */
    private calculateStats;
}
export default MondaiConverter;