import { Rule, SchematicContext, Tree } from '@angular-devkit/schematics';
import { NodeDependency } from '@schematics/angular/utility/dependencies';
/**
 * Add dependencies to the package.json
 */
export declare function installDependencies(): Rule;
/**
 * Add dependencies to the package.json and log the changes
 */
export declare function addPackageDependency(tree: Tree, dep: NodeDependency, ctx?: SchematicContext): void;