export type ManifestEntry = {
    sourceHash: string;
    /** Transitive agency-import paths, manifest-dir-relative, sorted. */
    deps: string[];
    depsHash: string;
    stdlibHash: string;
    hasPkgImports: boolean;
    configKey: string;
    compilerStamp: string;
    /** Manifest-dir-relative output path. */
    outputPath: string;
};
export type BuildManifest = {
    version: 1;
    /** Keyed by manifest-dir-relative module path. */
    entries: Record<string, ManifestEntry>;
};
export declare const MANIFEST_DIR_NAME = ".agency-build";
export declare function manifestDirFor(entryFile: string): string;
export declare function loadManifest(manifestDir: string): BuildManifest;
export declare function saveManifest(manifestDir: string, manifest: BuildManifest): void;
export declare function hashBytes(data: string | Buffer): string;
export declare function hashFile(absPath: string): string | null;
/** THE construction of depsHash. Writer (manifestTracker) and checker
 *  (isEntryFresh) both call this; never inline the expression. */
export declare function computeDepsHash(depHashes: string[]): string;
/** Canonical config identity. JSON.stringify is order-stable here because
 *  every config passes through AgencyConfigSchema.safeParse (loadConfigSafe
 *  returns result.data), and zod rebuilds objects in SCHEMA shape order —
 *  guarded by the key-order test in lib/cli/precompile.test.ts. */
export declare function deriveConfigKey(config: unknown): string;
export declare function computeStdlibHash(stdlibDir: string): string;
export declare function computeCompilerStamp(distLibDir: string): string;
export type FreshnessContext = {
    manifestDir: string;
    stdlibHash: string;
    compilerStamp: string;
    configKey: string;
};
export declare function isEntryFresh(moduleRel: string, manifest: BuildManifest, ctx: FreshnessContext): boolean;