type TenancyDriver = "rls" | "column" | "none";
/** Unset means rls (the Postgres example). Anything else must be an exact driver name. */
declare function readTenancyDriver(env?: Record<string, string | undefined>): TenancyDriver;
declare function isTenancyEnabled(env?: Record<string, string | undefined>): boolean;
/** Postgres `SET LOCAL` / `set_config` for row-level security. SQLite and MySQL cannot do this. */
declare function isRlsTenancy(env?: Record<string, string | undefined>): boolean;
export type { TenancyDriver };
export { isRlsTenancy, isTenancyEnabled, readTenancyDriver };