/**
 * File Utilities
 * Provides file system operations with error handling
 */
/**
 * Check if a file exists
 */
export declare function fileExists(filePath: string): Promise<boolean>;
/**
 * Check if a path is a directory
 */
export declare function isDirectory(filePath: string): Promise<boolean>;
/**
 * Read file contents as string
 */
export declare function readFile(filePath: string): Promise<string>;
/**
 * Write content to file
 */
export declare function writeFile(filePath: string, content: string | Buffer): Promise<void>;
/**
 * Ensure a directory exists, create if it doesn't
 */
export declare function ensureDirectory(dirPath: string): Promise<void>;
/**
 * Get file extension
 */
export declare function getExtension(filePath: string): string;
/**
 * Change file extension
 */
export declare function changeExtension(filePath: string, newExt: string): string;
/**
 * Get base name without extension
 */
export declare function getBaseName(filePath: string): string;
/**
 * Resolve path relative to a base path
 */
export declare function resolvePath(filePath: string, basePath?: string): string;
/**
 * Get relative path from base to target
 */
export declare function getRelativePath(from: string, to: string): string;
/**
 * Read and encode file as base64
 */
export declare function readFileAsBase64(filePath: string): Promise<string>;
/**
 * Get MIME type from file extension
 */
export declare function getMimeType(filePath: string): string;
/**
 * Get file size in bytes
 */
export declare function getFileSize(filePath: string): Promise<number>;
/**
 * Format file size for display
 */
export declare function formatFileSize(bytes: number): string;
declare const _default: {
    fileExists: typeof fileExists;
    isDirectory: typeof isDirectory;
    readFile: typeof readFile;
    writeFile: typeof writeFile;
    ensureDirectory: typeof ensureDirectory;
    getExtension: typeof getExtension;
    changeExtension: typeof changeExtension;
    getBaseName: typeof getBaseName;
    resolvePath: typeof resolvePath;
    getRelativePath: typeof getRelativePath;
    readFileAsBase64: typeof readFileAsBase64;
    getMimeType: typeof getMimeType;
    getFileSize: typeof getFileSize;
    formatFileSize: typeof formatFileSize;
};
export default _default;
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