import { Tree } from '@angular-devkit/schematics';
export declare function readConfig(host: Tree): any;
export declare function writeConfig(host: Tree, config: JSON): void;
export declare function getAngularAppName(config: any): string | null;
export declare function getAngularAppConfig(config: any): any | null;
export declare function addStyle(host: Tree, stylePath: string): void;
export declare function hasBootstrap(host: Tree): boolean;
