import type { TransportMiddleware } from '../core/types.js';
import type { IDialect } from '@mostajs/orm';
/**
 * Build an API key middleware bound to a metadata dialect.
 *
 * @param getMetaDialect Returns the dialect that hosts api_keys + scopes
 *                       tables. May return null in dev mode (no DB).
 * @param options.openMode If true, requests without a key pass through.
 */
export declare function createApiKeyMiddleware(getMetaDialect: () => IDialect | null | undefined, options?: {
    openMode?: boolean;
}): TransportMiddleware;