import type { SkillSource, SkillSourceGitHub, SkillSourceURL, SkillSourceLocal, FetchedSkill } from '../types/index.js';
/**
 * Detect the skill source type from user input string.
 *
 *  - Local file/dir path: starts with ./ or ../ or is absolute
 *  - Full GitHub URL: starts with https://github.com/
 *  - Direct URL to .md: starts with http(s):// and ends with .md
 *  - Generic URL: starts with http(s)://
 *  - GitHub shorthand: contains exactly one / with no spaces (owner/repo)
 *  - Built-in skill name: everything else
 */
export declare function detectSkillSource(input: string): SkillSource;
/**
 * Fetch skills from a GitHub repository.
 * Clones the repo to a temp directory, scans for skill .md files, returns them.
 */
export declare function fetchFromGitHub(source: SkillSourceGitHub): Promise<FetchedSkill[]>;
/**
 * Fetch a skill from a direct URL.
 * If the URL points to a raw .md file, fetch and validate it.
 * If it points to a GitHub blob URL, convert to raw URL automatically.
 */
export declare function fetchFromURL(source: SkillSourceURL): Promise<FetchedSkill[]>;
/**
 * Fetch skills from a local file or directory.
 */
export declare function fetchFromLocal(source: SkillSourceLocal): Promise<FetchedSkill[]>;
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