/**
 * WOARU Filename Helper for Standardized Report Filenames
 * Provides consistent, sortable timestamp-based naming conventions
 */
export declare class FilenameHelper {
    /**
     * Generates standardized report filename with sortable timestamp
     * Format: woaru_[befehl_typ]_report_[YYYY]-[MM]-[DD]_[HH]-[MM]-[SS]_[TZ].md
     * @param commandType - The type of command (e.g., 'analyze', 'review', 'git')
     * @returns Standardized filename with timestamp and timezone
     * @example
     * FilenameHelper.generateReportFilename('analyze')
     * // Returns: 'woaru_analyze_report_2024-07-14_15-30-45_+0200.md'
     */
    static generateReportFilename(commandType: string): string;
    /**
     * Extracts timestamp from WOARU report filename for sorting purposes
     * @param filename - The filename to extract timestamp from
     * @returns Sortable timestamp string (YYYY-MM-DD_HH-MM-SS) or null if not found
     * @example
     * FilenameHelper.extractTimestampFromFilename('woaru_analyze_report_2024-07-14_15-30-45_+0200.md')
     * // Returns: '2024-07-14_15-30-45'
     */
    static extractTimestampFromFilename(filename: string): string | null;
    /**
     * Sorts WOARU report files by timestamp (newest first)
     * @param filenames - Array of filenames to sort
     * @returns Array of filenames sorted by timestamp (newest first)
     */
    static sortReportsByTimestamp(filenames: string[]): string[];
    /**
     * Gets the latest (newest) report filename from a list
     * @param filenames - Array of filenames to search
     * @returns The newest report filename or null if none found
     */
    static getLatestReport(filenames: string[]): string | null;
    /**
     * Validates if filename follows WOARU report naming convention
     * @param filename - The filename to validate
     * @returns True if filename follows the standard WOARU report format
     */
    static isValidReportFilename(filename: string): boolean;
    /**
     * Extracts command type from standardized WOARU filename
     * @param filename - The filename to extract command type from
     * @returns Command type (e.g., 'analyze', 'review') or null if not found
     */
    static extractCommandType(filename: string): string | null;
}
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