/**
 * Resolve the nearest git root for a cwd. Falls back to cwd when outside git.
 */
export declare function findGitRoot(cwd?: string): string;
/**
 * Candidate file paths from git root -> cwd for a given filename.
 */
export declare function candidateWalkUpPaths(filename: string, cwd?: string): string[];
/**
 * Existing file paths from git root -> cwd for a given filename.
 */
export declare function discoverWalkUpFiles(filename: string, cwd?: string): string[];