/**
 * Find the project root directory by looking for common project markers
 * 通过查找常见的项目标记来找到项目根目录
 */
export declare function findProjectRoot(startPath: string): string | null;
/**
 * Resolve a file path relative to a base directory
 * 解析相对于基础目录的文件路径
 */
export declare function resolveFilePath(baseDir: string, filePath: string): string | null;
/**
 * Safely resolve symbolic links in a file path
 * 安全地解析文件路径中的符号链接
 */
export declare function safeRealpathSync(filePath: string): string;