/** Check whether a directory is a git repository (has `.git` subdir or file). */
export declare function isGitRepo(dir: string): boolean;
/** Read a git repo's primary remote URL (origin, then the first remote). Returns null if none. */
export declare function getRemoteUrl(repoDir: string): string | null;
/** Derive a repo slug from a clone URL. `git@github.com:foo/bar.git` or `https://.../bar` → `bar`. */
export declare function slugFromUrl(url: string): string;
/** Detect whether a string looks like a git URL (http(s), ssh, or git@). */
export declare function looksLikeGitUrl(s: string): boolean;
/** Clone a git URL into `destDir`. Throws on failure. Returns the absolute path. */
export declare function cloneRepo(url: string, destDir: string): string;
/** Best-effort primary language detection from common manifest files. */
export declare function detectLanguage(dir: string): string | undefined;