import type { IAmazonServerGroup } from '../../../domain';
export interface IAmazonRollbackSelection {
    allServerGroups: IAmazonServerGroup[];
    previousServerGroup?: IAmazonServerGroup;
    serverGroup: IAmazonServerGroup;
}
export declare function getAmazonRollbackCandidates(applicationName: string, selectedServerGroup: IAmazonServerGroup, allServerGroups: IAmazonServerGroup[]): IAmazonServerGroup[];
export declare function isAmazonRollbackAvailable(applicationName: string, selectedServerGroup: IAmazonServerGroup, allServerGroups: IAmazonServerGroup[]): boolean;
export declare function selectAmazonRollbackServerGroups(applicationName: string, selectedServerGroup: IAmazonServerGroup, allServerGroups: IAmazonServerGroup[]): IAmazonRollbackSelection | undefined;