import type { Tree } from '@nx/devkit';
import { type LinterType } from './linter';
export declare function normalizeLinterOption(tree: Tree, linter: undefined | LinterType): Promise<LinterType>;
export declare function normalizeUnitTestRunnerOption<T extends 'none' | 'jest' | 'vitest'>(tree: Tree, unitTestRunner: undefined | T, testRunners?: Array<'jest' | 'vitest'>): Promise<T>;