import type { GitProfile } from './types.js';
/** Extract shipped sprint IDs referenced in commit subjects.
 *  Matches `S\d+` not followed by another digit or a dot — so `S75.5` does
 *  NOT count as a reference to S75, and `S70+S71` correctly yields {70, 71}.
 *  Ticket zero (`S101-0`) is reserved for sprint scoping/planning commits and
 *  does not mean implementation for that sprint has shipped. Sprint ranges
 *  (`S64-S80`, `S85–S90`) are roadmap references, not shipped commits.
 *  Pure function — separated from git I/O for testability.
 */
export declare function extractSprintReferences(commitSubjects: string[]): Set<number>;
/** Extract sprint IDs from shipped sprint artifact paths in git log output.
 *  This catches normal GitHub squash merges whose subject is PR-oriented
 *  (`Fix thing (#123)`) while the commit itself adds `docs/retros/sprint-N.json`
 *  or an inserted sprint artifact such as `docs/retros/sprint-143.5.json`.
 */
export declare function extractSprintArtifactReferences(logLines: string[]): Set<number>;
/** Detect sprint IDs with shipped commits on the given ref (default: main).
 *  Falls back to `master` then `HEAD` if main is unavailable. Returns an empty
 *  set on any git failure so callers can run validation without a working repo.
 *  Refs are validated against SAFE_REF_RE before being interpolated into the
 *  shell command — refs containing whitespace, semicolons, backticks, etc.
 *  short-circuit to an empty set rather than risk a shell injection.
 */
export declare function findShippedSprintsOnMain(cwd: string, ref?: string): Set<number>;
export declare function analyzeGit(cwd: string): Promise<GitProfile>;
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