/**
 * CLI Utility Functions
 */
/**
 * Safe file read with path validation
 * BUG-008 FIX: Enhanced error handling and resource cleanup
 */
export declare function safeReadFile(userPath: string, preprocess?: boolean): string;
/**
 * Safe file write with path validation
 * BUG-008 FIX: Enhanced error handling and resource cleanup
 */
export declare function safeWriteFile(userPath: string, content: string): void;
/**
 * Preprocess JSON to handle special characters in keys
 * BUG-NEW-005 FIX: Transform problematic keys (like #, @) to safe alternatives
 * to prevent parsing conflicts with TONL directives and comments
 */
export declare function preprocessJsonKeys(jsonString: string): string;
/**
 * Calculate byte size
 */
export declare function byteSize(text: string): number;
/**
 * Display statistics
 */
export declare function displayStats(originalBytes: number, originalTokens: number, tonlBytes: number, tonlTokens: number, filename: string): void;
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