/**
 * @module runtime/manifest-store
 * @description Manifest Store with pluggable storage backend
 *
 * This implements Task 15 from the runtime architecture spec:
 * - Manifest persistence (handlers and modules)
 * - GType schema storage and retrieval
 * - Version graph storage
 * - Transformer stub storage
 * - Timescape metadata persistence
 * - Pluggable storage contract (Task 21 Phase 3)
 *
 * Requirements: 11.5
 */
import type { ManifestStore, HandlerManifest, HookManifest, GType, Transformer, VersionGraph, TimescapeMetadata } from './types/manifest-store.js';
import type { StorageContract } from './types/storage-contract.js';
/**
 * Manifest Store implementation with pluggable storage backend
 *
 * Delegates all storage operations to a StorageContract implementation.
 * Defaults to in-memory storage if no storage backend is provided.
 */
export declare class InMemoryManifestStore implements ManifestStore {
    private storage;
    constructor(storage?: StorageContract);
    /**
     * Store a handler or module manifest
     */
    storeManifest(manifest: HandlerManifest): Promise<void>;
    /**
     * Retrieve a manifest by ID and optional version
     */
    getManifest(id: string, version?: string): Promise<HandlerManifest | undefined>;
    /**
     * Get all versions of a manifest
     */
    getAllManifestVersions(id: string): Promise<HandlerManifest[]>;
    /**
     * Store a GType schema
     */
    storeGType(gtype: GType): Promise<void>;
    /**
     * Retrieve a GType schema by reference
     */
    getGType(ref: string): Promise<GType | undefined>;
    /**
     * Store a transformer stub
     */
    storeTransformer(transformer: Transformer): Promise<void>;
    /**
     * Retrieve a transformer by ID
     */
    getTransformer(id: string): Promise<Transformer | undefined>;
    /**
     * Get transformers for a version pair
     */
    getTransformersForVersions(handlerId: string, fromVersion: string, toVersion: string): Promise<Transformer[]>;
    /**
     * Store or update a version graph
     */
    storeVersionGraph(graph: VersionGraph): Promise<void>;
    /**
     * Retrieve a version graph for a handler
     */
    getVersionGraph(handlerId: string): Promise<VersionGraph | undefined>;
    /**
     * Store Timescape metadata
     */
    storeTimescapeMetadata(metadata: TimescapeMetadata): Promise<void>;
    /**
     * Retrieve Timescape metadata
     */
    getTimescapeMetadata(handlerId: string, version: string): Promise<TimescapeMetadata | undefined>;
    /**
     * Store a hook manifest
     */
    storeHookManifest(manifest: HookManifest): Promise<void>;
    /**
     * Retrieve a hook manifest by handler ID
     */
    getHookManifest(handlerId: string): Promise<HookManifest | null>;
    /**
     * List all hook manifests
     */
    listHookManifests(): Promise<HookManifest[]>;
    /**
     * Clear all stored data (for testing)
     */
    clear(): Promise<void>;
    /**
     * Get store statistics
     */
    getStats(): import("./types/storage-contract.js").StorageStats;
}
/**
 * Create a new manifest store with optional storage backend
 *
 * @param storage - Optional storage backend (defaults to in-memory)
 */
export declare function createManifestStore(storage?: StorageContract): ManifestStore;
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