@nrwl/workspace/src/utils/rules/ng-add.d.ts

import { Rule } from '@angular-devkit/schematics';
/**
 * Calls init _if_ the package does not already exist
 */
export declare function addPackageWithInit(packageName: string, testRunners?: {
    unitTestRunner: 'jest' | 'none';
    e2eTestRunner?: 'cypress' | 'none';
}): Rule;