import { Bindings } from "../types";
/**
 * Resolve the hostname of a tenant's usable custom domain, if one exists.
 *
 * Only domains whose verification has completed ("ready") can serve traffic,
 * so others are ignored. A primary domain wins over a non-primary one.
 */
export declare function getTenantCustomDomain(env: Bindings, tenantId: string): Promise<string | undefined>;
