/** Triage of a `styleproof-map --restore` exit code (see that CLI's taxonomy). */
export type RestoreOutcome = 'hit' | 'miss' | 'fault';
export declare function classifyRestoreExit(code: number | null | undefined): RestoreOutcome;
/** One package manager's commands, as argv arrays (never joined through a shell). */
export type PackageManagerPlan = {
    name: 'npm' | 'yarn' | 'yarn-berry' | 'pnpm' | 'bun';
    /** Frozen-lockfile install of the checked-out commit's dependencies. */
    install: string[];
    /** Install the head's exact StyleProof release over the base's older one.
     *  npm uses `runtimeRoot` as an isolated prefix so its lock-disabled install
     *  cannot re-resolve unrelated application dependency ranges. */
    installExactStyleProof: (version: string, runtimeRoot: string) => string[];
    /** Isolated package to link over the base checkout's StyleProof installation.
     *  Other package managers install in-place and return null. */
    isolatedStyleProofPackage: (runtimeRoot: string) => string | null;
    /** Tracked files that exact install may have dirtied; the driver restores each
     *  with `git checkout --`. */
    packageMetadataFiles: string[];
};
/** Runtime twin of styleproof-init's lockfile detection: the workflow template no
 *  longer bakes package-manager commands in at scaffold time — the command reads
 *  the checked-out repo, so a later npm→pnpm migration needs no re-init. */
export declare function detectPackageManagerPlan(root: string): PackageManagerPlan;
/** The `$GITHUB_OUTPUT` lines the old workflow step emitted, verbatim, so existing
 *  consumer steps keyed on `steps.maps.outputs.*` keep working after the collapse.
 *  `baseRestoredFromAncestorSha` appends `base-restored-from-ancestor=<sha>` ONLY
 *  when the base baseline was reused from a nearest ancestor (#367) — the four
 *  original lines never change shape, and a reused base still reads `base-hit=true`
 *  (it was restored without a capture) while staying auditable in the outputs. */
export declare function ciOutputLines(baseHit: boolean, headHit: boolean, baseCaptureFailed?: boolean, baseRestoredFromAncestorSha?: string): string[];