/**
 * Path normalization utilities for privacy and display optimization
 *
 * Features:
 * - Hide username information in file paths
 * - Cross-platform compatibility (Windows, macOS, Linux)
 * - Performance optimization with global caching
 * - Type-safe implementation
 */
/**
 * Normalizes file paths by replacing user directory with tilde (~)
 *
 * Examples:
 * - macOS: `/Users/john/.agent-tars-workspace/file.html` → `~/.agent-tars-workspace/file.html`
 * - Windows: `C:\Users\john\.agent-tars-workspace\file.html` → `~\.agent-tars-workspace\file.html`
 * - Linux: `/home/john/.agent-tars-workspace/file.html` → `~/.agent-tars-workspace/file.html`
 *
 * @param absolutePath - The absolute file path to normalize
 * @returns Normalized path with user directory replaced by tilde, or original path if not a user path
 */
export declare function normalizeFilePath(absolutePath: string): string;
export declare function normalizeFilePathsBatch(paths: string[]): string[];
export declare function clearPathNormalizationCache(): void;
export declare function getPathNormalizationCacheSize(): number;
export declare function isAbsolutePath(path: string): boolean;
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