import { Environment } from '@aws-cdk/cx-api';
import { SdkProvider } from '../api';
/** The list of languages supported by the built-in noctilucent binary. */
export declare const MIGRATE_SUPPORTED_LANGUAGES: readonly string[];
/**
 * Generates a CDK app from a yaml or json template.
 *
 * @param stackName The name to assign to the stack in the generated app
 * @param stack The yaml or json template for the stack
 * @param language The language to generate the CDK app in
 * @param outputPath The path at which to generate the CDK app
 */
export declare function generateCdkApp(stackName: string, stack: string, language: string, outputPath?: string, compress?: boolean): Promise<void>;
/**
 * Generates a CDK stack file.
 * @param template The template to translate into a CDK stack
 * @param stackName The name to assign to the stack
 * @param language The language to generate the stack in
 * @returns A string representation of a CDK stack file
 */
export declare function generateStack(template: string, stackName: string, language: string): string;
/**
 * Reads and returns a stack template from a local path.
 *
 * @param inputPath The location of the template
 * @returns A string representation of the template if present, otherwise undefined
 */
export declare function readFromPath(inputPath?: string): string | undefined;
/**
 * Reads and returns a stack template from a deployed CloudFormation stack.
 *
 * @param stackName The name of the stack
 * @param sdkProvider The sdk provider for making CloudFormation calls
 * @param environment The account and region where the stack is deployed
 * @returns A string representation of the template if present, otherwise undefined
 */
export declare function readFromStack(stackName: string, sdkProvider: SdkProvider, environment: Environment): Promise<string | undefined>;
/**
 * Sets the account and region for making CloudFormation calls.
 * @param account The account to use
 * @param region The region to use
 * @returns The environment object
 */
export declare function setEnvironment(account?: string, region?: string): Environment;
/**
 * Validates that exactly one source option has been provided.
 * @param fromPath The content of the flag `--from-path`
 * @param fromStack the content of the flag `--from-stack`
 */
export declare function validateSourceOptions(fromPath?: string, fromStack?: boolean): void;