import { Logger } from './index';
export declare function useYarn(root_dir: string): Promise<boolean>;
export declare function loadModule(log: Logger, module_name: string): any;
export declare function loadOrInstallModules(log: Logger, module_names: string[], auto_install: boolean): Promise<any[]>;
export declare function loadOrInstallModule(log: Logger, module_name: string, auto_install: boolean): Promise<any>;
export declare function installDependencies(use_yarn: boolean, dependencies: string[], root_dir: string): Promise<void>;