import { CanActivate, ExecutionContext, Logger } from '@nestjs/common';
import { Reflector } from '@nestjs/core';
import * as KeycloakConnect from 'keycloak-connect';
declare module 'keycloak-connect' {
    interface Keycloak {
        enforcer(expectedPermissions: string | string[]): (req: any, res: any, next: any) => any;
    }
}
/**
 * This adds a resource guard, which is permissive.
 * Only controllers annotated with `@Resource` and methods with `@Scopes`
 * are handled by this guard.
 */
export declare class ResourceGuard implements CanActivate {
    private keycloak;
    private readonly reflector;
    logger: Logger;
    constructor(keycloak: KeycloakConnect.Keycloak, reflector: Reflector);
    canActivate(context: ExecutionContext): Promise<boolean>;
}