import { SchematicContext, Tree } from "@angular-devkit/schematics";
export declare const stringifyFormatted: (obj: any) => string;
export declare const overwriteIfExists: (tree: Tree, path: string, content: string) => void;
export declare function safeReadJSON(path: string, tree: Tree): any;
export declare const addDependencies: (host: Tree, deps: {
    [name: string]: {
        dev: boolean;
        version: string;
    };
}, context: SchematicContext) => Promise<void>;