import * as T from './typings';
export declare const header: (po: T.Po) => T.Maybe<T.AuthorizationHeader>;
export declare const isAuthenticated: (po: T.Po) => boolean;
export declare const capFromGrant: <Dto>(dto: Dto, grant: T.Grant<Dto>) => T.Role[];
export declare const capsFromGrants: <Dto>(dto: Dto, grants: Record<T.GrantK, T.Grant<Dto>>) => Record<T.GrantK, T.Role[]>;
export declare const getCapsD: () => Record<T.GrantK, T.Role[]>;
export declare const getError: (id: string) => Error;