import { AgencyConfig } from "../config.js";
/** "incremental" consults and records the manifest; "force" recompiles
 *  everything but rewrites it (--force); "always" is internal
 *  (allowTestImports / --ts / caller-supplied importStrategy) and touches
 *  nothing. */
export type Freshness = "incremental" | "always" | "force";
export type ManifestTracker = {
    /** False unless policy allows reads AND the entry passes isEntryFresh. */
    isFresh(absModule: string): boolean;
    allFresh(absModules: string[]): boolean;
    /** The recorded output path for a module (fast-path return value). */
    outputFor(absModule: string): string | null;
    /** No-op unless policy allows writes. deps/hasPkgImports supplied by the
     *  session (it owns the closure); the tracker owns hashing and storage. */
    record(absModule: string, absOutput: string, deps: string[], hasPkgImports: boolean): void;
    /** Persist (atomic). No-op unless something was recorded. */
    flush(): void;
};
export declare const NOOP_TRACKER: ManifestTracker;
/** Policy is resolved HERE, once:
 *  "always" → the shared NOOP tracker (no state, no IO, isFresh always false)
 *  "force"  → real tracker with reads disabled, writes on
 *  "incremental" → real tracker, reads + writes on.
 *  The tracker derives the config key itself — it owns every other piece
 *  of freshness identity, and a caller-supplied key could mismatch the
 *  config.
 *
 *  Perf note: each real tracker recomputes computeStdlibHash + the
 *  compiler stamp + loadManifest; the warm-make path constructs one per
 *  CLI input (~6). Fine today (warm make 2.5s) — if this ever regresses,
 *  memoize PER SESSION, not module-level (watch mode can outlive a stdlib
 *  edit). */
export declare function createManifestTracker(config: AgencyConfig, entryFile: string, freshness: Freshness): ManifestTracker;