import { ApiAuthorizationRuntime } from './runtime.class';
import { CanActivate, ExecutionContext } from '@nestjs/common';
export declare class ApiAuthorizationGuard implements CanActivate {
    private readonly runtime;
    constructor(runtime: ApiAuthorizationRuntime);
    canActivate(context: ExecutionContext): Promise<boolean>;
    private attachDecisionToRequest;
    private isControllerSecurable;
    private resolveControllerProperties;
    private resolveHeaders;
    private resolveRequestMetadata;
    private resolveRouteMetadata;
}