import { KeycloakService } from '../service/keycloak.service';
/**
 * Silent login check Iframe utility
 */
export declare class KeycloakSilentCheckLoginIframe {
    private keycloak;
    private iframe;
    private iframeSrc;
    constructor(keycloak: KeycloakService, silentRedirectUri: string);
    initIframe(): void;
    private processSilentLoginCallbackMessage;
}