/**
 * Skill File Discovery
 *
 * Finds agent instruction files across all known locations:
 * Claude Code skills, OpenClaw hooks, Cursor/Windsurf/Cline rules,
 * GitHub Copilot, Aider, Continue, and CLAUDE.md.
 */
/**
 * Discover agent instruction files across all known locations.
 *
 * @param customDir  If provided, scan this directory instead of defaults.
 * @param cwd        Working directory for CWD-relative files (defaults to process.cwd()).
 * @returns Array of absolute file paths.
 */
export declare function discoverSkillFiles(customDir?: string, cwd?: string): string[];
