/**
 * I/O utility functions
 * Helper functions for file operations and format handling
 */
import { Codec } from './codec';
/**
 * Extract file extension from path or filename
 */
export declare function getFileExtension(path: string): string;
/**
 * Get filename without extension
 */
export declare function getFileNameWithoutExtension(path: string): string;
/**
 * Get directory path from file path
 */
export declare function getDirectoryPath(path: string): string;
/**
 * Normalize path separators
 */
export declare function normalizePath(path: string): string;
/**
 * Join path segments
 */
export declare function joinPath(...segments: string[]): string;
/**
 * Check if path is absolute
 */
export declare function isAbsolutePath(path: string): boolean;
/**
 * Resolve relative path
 */
export declare function resolvePath(base: string, relative: string): string;
/**
 * Validate file extension against codec
 */
export declare function validateFileExtension(codec: Codec, extension: string): boolean;
/**
 * Create file object from data
 */
export interface FileData {
    name?: string;
    path?: string;
    content?: string | ArrayBuffer | Uint8Array;
    type?: string;
    size?: number;
}
export declare function createFileData(data: FileData): FileData;
/**
 * Read file as text
 */
export declare function readFileAsText(file: FileData): string;
/**
 * Read file as array buffer
 */
export declare function readFileAsArrayBuffer(file: FileData): ArrayBuffer;
/**
 * Read file as data URL
 */
export declare function readFileAsDataURL(file: FileData, mimeType?: string): string;
/**
 * Parse JSON file
 */
export declare function parseJSONFile(file: FileData): any;
/**
 * Create blob from file data
 */
export declare function createBlob(file: FileData, mimeType?: string): Blob;
/**
 * Format file size
 */
export declare function formatFileSize(bytes: number): string;
/**
 * Check if file is image
 */
export declare function isImageFile(file: FileData | string): boolean;
/**
 * Check if file is model
 */
export declare function isModelFile(file: FileData | string, codecs: Codec[]): boolean;
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