import * as AWS from 'aws-sdk';
import { ServiceContext } from 'handel-extension-api';
import { EcsServiceConfig } from './config-types';
export declare function getInstancesToCycle(ownServiceContext: ServiceContext<EcsServiceConfig>, defaultInstanceType: string): Promise<AWS.ECS.ContainerInstance[] | null>;
export declare function cycleInstances(instancesToCycle: AWS.ECS.ContainerInstance[] | null): Promise<AWS.AutoScaling.ActivityType[] | null> | undefined;