import { Observable } from 'rxjs';
import { CanDeactivateFn, UrlTree } from '@angular/router';
type CanDeactivateType = Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree;
export interface DeactivateComponent {
    canDeactivate: () => CanDeactivateType;
}
/**
 * DeactivateGuard method gets the instance of the component being deactivated as first argument.
 * @param {deactivateGuard} Guard
 * @return {boolean} Returns true or false based on the component canDeactivate method & its return value. Redirection on routing is allowed when the method returns true, else route will be deactivated.
 */
export declare const deactivateGuard: CanDeactivateFn<DeactivateComponent>;
export {};