/**
 * Where the repository is hosted — the top-level `host` key of `.aidlc/config.yaml`.
 *
 * The one place that knows the three names. Every feature that talks to a host (`gh` today)
 * reads the key through here, so "absent means GitHub" is one rule rather than four
 * (gitlab-and-plain-git/AC-1, AC-2).
 *
 * Absent or invalid reads as `github`, not "detect now": every project configured before the
 * key existed runs `gh` today, and reading absence as a fresh `git` call would let a working
 * setup change without anyone running init (gitlab-and-plain-git design D1).
 *
 * The name `gitlab` was kept apart from `git` so that `glab` support could be a branch, not a
 * migration (design D2): autopilot now opens and merges merge requests with `glab` there
 * (autopilot-gitlab-merge-requests), while roadmap sync and the `github-issue` action still
 * treat it as off GitHub.
 *
 * @module
 */
export declare const HOSTS: readonly ["github", "gitlab", "git"];
export type Host = (typeof HOSTS)[number];
/** A valid host name, or undefined. */
export declare function parseHost(value: unknown): Host | undefined;
/** `host` from config text; absent, invalid or unparseable is `github` (gitlab-and-plain-git/AC-2, AC-3). */
export declare function hostFromConfigText(text: string | null): Host;
/** `host` from `<projectRoot>/.aidlc/config.yaml`, under the same rule. */
export declare function readHost(projectRoot: string): Host;
/**
 * The host name of a remote URL, lowercased, or null. Handles `https://`, `ssh://` and the
 * scp-like `git@host:owner/repo` form. Userinfo and port are dropped: an HTTPS remote can
 * carry a token (`https://user:token@host/...`), and only the host name may ever be printed.
 */
export declare function remoteHostName(url: string): string | null;
/**
 * The host a remote points at, or null when it cannot tell
 * (gitlab-and-plain-git/AC-4, AC-5, AC-6). A self-hosted GitLab is recognised by name only;
 * anything else — Bitbucket, GitHub Enterprise, a bare server — is "cannot tell".
 */
export declare function detectHost(remoteUrl: string | null): Host | null;
/** `git remote get-url origin` in `projectRoot`, or null when there is no such remote. */
export declare function originUrl(projectRoot: string): string | null;
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