import type { CollectionHead } from "../schemas/manifest.js";
/**
 * @deprecated Use CollectionHead. Alias for migration.
 */
export type HeadManifest = CollectionHead;
/**
 * Result of reading a collection head, including the store-assigned headId
 * used for conflict detection on subsequent writes.
 */
export interface StoredHead {
    headId: string;
    manifest: CollectionHead;
}
/**
 * Pluggable manifest store. Manages the single mutable CollectionHead
 * pointer over immutable segment and revision data.
 *
 * Conflict detection: `putHead` accepts `prevHeadId` and rejects
 * if it doesn't match the current head (single-writer enforcement).
 */
export interface ManifestStore {
    getHead(projectName: string): Promise<StoredHead | null>;
    putHead(projectName: string, manifest: CollectionHead, prevHeadId: string | null): Promise<StoredHead>;
    listProjects(): Promise<string[]>;
}
//# sourceMappingURL=manifest-store.d.ts.map