import { ActivatedRouteSnapshot, Route, RouterStateSnapshot } from '@angular/router';
import { Observable } from 'rxjs';
import { SecurityGuardModel } from './security-guard.model';
export declare abstract class SecurityGuardAuthorizer {
    abstract canActivate(config: SecurityGuardModel, route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | Promise<boolean> | boolean;
    abstract canActivateChild(config: SecurityGuardModel, route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | Promise<boolean> | boolean;
    abstract canLoad(config: SecurityGuardModel, route: Route): Observable<boolean> | Promise<boolean> | boolean;
}