import { PathSanitizationResult } from './types';
export declare class PathUtils {
    static formatQuipDate(updated_usec: number, format?: string): string;
    static isValidDateFormat(format: string): boolean;
    static sanitizeFileName(fileName: string): PathSanitizationResult;
    static sanitizeDirectoryPath(dirPath: string): string;
    static createSafeRelativePath(quipFolderPath: string): string;
    static sanitizeFilenameComponent(component: string): string;
    static ensurePathLength(fullPath: string): string;
    static isValidPath(filePath: string): boolean;
    static getFileExtension(documentType: string, exportFormat: 'docx' | 'html' | 'xlsx'): string;
    static getFileExtensionForFormat(format: string, documentType?: string): string;
    static sanitizeFileNameEnhanced(fileName: string, format?: string, documentType?: string): PathSanitizationResult;
    static generateUniqueFileName(basePath: string, fileName: string, format: string, strategy?: 'number' | 'timestamp', documentType?: string): string;
    static createUniqueFileName(basePath: string, fileName: string, strategy: 'number' | 'timestamp'): string;
    static isFilenameSafe(fileName: string): boolean;
}
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