import type { GitMetadata } from '@lynx-js/debug-metadata';
/**
 * Capture git state for `cwd`. Returns `null` when `cwd` is not inside
 * a git worktree (or git is unavailable), in which case the caller
 * should omit the `meta.git` field entirely.
 */
export declare function collectGitMetadata(cwd: string): GitMetadata | null;