import type { Store } from '../types/store.js';
/** The first namespace part under which every tenant's items live, so they never meet an application's own. */
export declare const TENANT_NAMESPACE = "nexus:tenant";
/**
 * One tenant's view of a long-term store: every namespace it reads or writes is placed under
 * `['nexus:tenant', tenantId]`, and every item it returns has that prefix taken off again. A search
 * or a namespace listing cannot reach past it, so another tenant's items are not merely filtered out
 * but never read. Works over any store — memory, Redis, Postgres, SQLite — with no schema change.
 *
 * A graph run given a `tenantId` sees its store through this view as `context.store`.
 */
export declare function tenantStore(store: Store, tenantId: string): Store;