import { Keycloak, Token } from 'keycloak-connect';
import { GrantedRequest } from './KeycloakContext';
/**
 * Provides hasPermission function to check if user has requested permissions.
 *
 * Requests uma-ticket, retrieves user's permissions and checks if user has all requested permissions.
 */
export interface AuthorizationConfiguration {
    /**
     * Resource server, if not defined 'resource' from Keycloak configuration is taken
     */
    resource_server_id: string | undefined;
    /**
     * Additional claims for policy evaluation
     */
    claims: ((request: GrantedRequest) => any) | undefined;
}
export declare class KeycloakPermissionsHandler {
    private keycloak;
    private config;
    private permissionsToken;
    private req;
    constructor(keycloak: Keycloak, token: Token | undefined, config: AuthorizationConfiguration | undefined);
    private handlePermissions;
    hasPermission(resources: string | string[]): Promise<boolean>;
}