import { AccountConfig, ServiceRegistry } from 'handel-extension-api';
import { HandelCoreOptions, HandelFile } from '../datatypes';
export declare function readDirSync(filePath: string): string[] | null;
export declare function readFileSync(filePath: string): any;
export declare function writeFileSync(filePath: string, data: any): any;
export declare function readJsonFileSync(filePath: string): any;
/**
 * Reads the contents of a YAML file in a synchronous manner. Don't
 * use this if you want to load the file with async io!
 */
export declare function readYamlFileSync(filePath: string): any;
/**
 * Reads the contents of a YAML file in an async manner.
 * This behaves similar to readYamlFileSync above, but in an async manner
 */
export declare function readYamlFileAsync(filePath: string): any;
/**
 * Takes the given directory path and file and replace tags found in the file with
 *   values from the tag list
 */
export declare function replaceTagInFile(listTag: any, filePath: string, fileName: string): any;
/**
 * Given a Handel file object, returns the parser object for that Handel file version
 */
export declare function getHandelFileParser(handelFile: HandelFile): any;
/**
 * Gets the App Context from the deploy spec file
 */
export declare function createEnvironmentContext(handelFile: HandelFile, handelFileParser: any, environmentName: string, accountConfig: AccountConfig, serviceRegistry: ServiceRegistry, options: HandelCoreOptions): any;
/**
 * This nice function came from https://stackoverflow.com/questions/11293857/fastest-way-to-copy-file-in-node-js
 */
export declare function copyFile(source: string, target: string): Promise<{}>;
export declare function copyDirectory(sourceDir: string, targetDir: string): Promise<{}>;
/**
 * Courtesy of https://stackoverflow.com/a/32197381/1031406
 */
export declare function deleteFolderRecursive(dirPath: string): void;
export declare function makeTmpDir(): string;
export declare function documentationUrl(path: string): string;