import type * as private_cxapi from '@aws-cdk/cloud-assembly-api';
import type { IConstruct } from 'constructs';
/**
 * Invoke validation plugins for all stages in an App.
 */
export declare function validateTemplates(root: IConstruct, outdir: string, assembly: private_cxapi.CloudAssembly): void;
/**
 * Visit the given construct tree in either pre or post order, only looking at Assemblies
 */
export declare function visitAssemblies(root: IConstruct, order: 'pre' | 'post', cb: (x: IConstruct) => void): void;