import * as toolkit from '@aws-cdk/toolkit-lib';
import type { AwsContext, TestFixture } from '../../lib';
/**
 * Create a toolkit that's initialized from the given fixture
 *
 * Will use specific (Atmosphere-provided) credentials if they're available, and
 * fall back to SDK-compatible credentials otherwise.
 */
export declare function toolkitFromFixture(fixture: AwsContext, options?: Omit<toolkit.ToolkitOptions, 'sdkConfig'>): toolkit.Toolkit;
/**
 * Helper function to convert a CDK app directory into an Assembly Source
 *
 * This will eventually become part of the toolkit itself, but isn't yet.
 */
export declare function assemblyFromCdkAppDir(tk: toolkit.Toolkit, fixture: TestFixture): Promise<toolkit.ICloudAssemblySource>;