/**
 * File utility functions
 */
/**
 * Calculate hash of file content
 */
export declare function hashContent(content: string): string;
/**
 * Check if a file is binary by examining its content
 */
export declare function isBinaryContent(content: Buffer, sampleSize?: number): boolean;
/**
 * Check if a file is binary by extension
 */
export declare function isBinaryFile(filePath: string): boolean;
/**
 * Check if a file is an image
 */
export declare function isImageFile(filePath: string): boolean;
/**
 * Get file size in bytes
 */
export declare function getFileSize(filePath: string): Promise<number>;
/**
 * Check if file exceeds size limit
 */
export declare function isFileTooLarge(filePath: string, maxSize: number): Promise<boolean>;
/**
 * Read file content as string
 */
export declare function readFileContent(filePath: string): Promise<string>;
/**
 * Read file content as buffer
 */
export declare function readFileBuffer(filePath: string): Promise<Buffer>;
/**
 * Check if file should be excluded based on name patterns
 */
export declare function shouldExcludeFile(filePath: string): boolean;
/**
 * Detect language from file extension
 */
export declare function detectLanguage(filePath: string): string | null;
/**
 * Format file size for display
 */
export declare function formatFileSize(bytes: number): string;
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