import type { Middleware, RequestContext } from '@venturekit/runtime';
/**
 * Build the middleware that opens a `@venturekit/data` tenant scope for
 * the resolved `ctx.tenant`, so Postgres RLS policies apply to every
 * query in the request.
 *
 * Takes no options: the scope is derived entirely from `ctx.tenant`,
 * and "no tenant" is not configurable because inheriting a stale scope
 * is never the safe choice.
 *
 * @example
 * ```ts
 * import { handler } from '@venturekit/runtime';
 * import {
 *   createRuntimeTenantMiddleware,
 *   createTenantRlsMiddleware,
 * } from '@venturekit-pro/tenancy';
 *
 * const tenancy = createRuntimeTenantMiddleware({ resolver });
 * const rls = createTenantRlsMiddleware();
 *
 * export const main = handler(async () => listPosts(), {
 *   middleware: [tenancy, rls],
 * });
 * ```
 */
export declare function createTenantRlsMiddleware(): Middleware<RequestContext>;
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