/** Public API contract for bundle metadata. */
export interface BundleMetadata {
    hash: string;
    codeHash: string;
    size: number;
    compiledAt: number;
    source: string;
    mode: "development" | "production";
    meta?: {
        type?: "mdx" | "component" | "layout" | "provider";
        depsHash?: string;
        reactVersion?: string;
        /** Headings extracted from MDX for sidebar/TOC navigation */
        headings?: Array<{
            id: string;
            text: string;
            level: number;
        }>;
    };
}
/** Public API contract for bundle code. */
export interface BundleCode {
    code: string;
    sourceMap?: string;
    css?: string;
}
export interface BundleManifestStats {
    totalBundles: number;
    totalSize: number;
    oldestBundle?: number;
    newestBundle?: number;
}
export interface BundleManifestStore {
    getBundleMetadata(key: string): Promise<BundleMetadata | undefined>;
    setBundleMetadata(key: string, metadata: BundleMetadata, ttlMs?: number): Promise<void>;
    getBundleCode(hash: string): Promise<BundleCode | undefined>;
    setBundleCode(hash: string, code: BundleCode, ttlMs?: number): Promise<void>;
    deleteBundle(key: string): Promise<void>;
    invalidateSource(source: string): Promise<number>;
    clear(): Promise<void>;
    isAvailable(): Promise<boolean>;
    getStats(): Promise<BundleManifestStats>;
}
/** Minimum interval between full expired-metadata sweeps (amortized on writes). */
export declare const BUNDLE_MANIFEST_SWEEP_INTERVAL_MS = 30000;
export declare class InMemoryBundleManifestStore implements BundleManifestStore {
    private metadata;
    private code;
    private sourceIndex;
    private codeReferences;
    private lastExpiredSweepAt;
    getBundleMetadata(key: string): Promise<BundleMetadata | undefined>;
    setBundleMetadata(key: string, metadata: BundleMetadata, ttlMs?: number): Promise<void>;
    getBundleCode(hash: string): Promise<BundleCode | undefined>;
    setBundleCode(hash: string, code: BundleCode, ttlMs?: number): Promise<void>;
    deleteBundle(key: string): Promise<void>;
    invalidateSource(source: string): Promise<number>;
    clear(): Promise<void>;
    isAvailable(): Promise<boolean>;
    getStats(): Promise<BundleManifestStats>;
    private addCodeReference;
    /**
     * Drop expired metadata entries referencing one code hash so the reference
     * check in getBundleCode stays trustworthy without a full-map sweep.
     */
    private pruneExpiredReferencesTo;
    /**
     * Full expired-metadata sweep, amortized: runs on writes at most once per
     * BUNDLE_MANIFEST_SWEEP_INTERVAL_MS so unread expired entries cannot pin
     * memory forever while per-render reads stay off the O(all-metadata) path.
     */
    private sweepExpiredMetadataIfDue;
    private removeCodeReference;
    private removeMetadata;
    private removeSourceReference;
}
export declare function setBundleManifestStore(store: BundleManifestStore): void;
/** Return bundle manifest store. */
export declare function getBundleManifestStore(): BundleManifestStore;
export { computeCodeHash, computeHash } from "./hash-utils.js";
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