import type * as cxapi from '../../../cx-api';
/**
 * Checks whether the passed argument is an asset manifest.
 * @param s Argument that is to be checked.
 */
export declare function isAssetManifest(s: cxapi.CloudArtifact): s is cxapi.AssetManifestArtifact;
export declare function isStackArtifact(a: cxapi.CloudArtifact): a is cxapi.CloudFormationStackArtifact;