import { GeneratorCallback } from '@nrwl/devkit';
import type { Tree } from '@nrwl/devkit';
export declare function updateExportsJestConfig(tree: Tree): GeneratorCallback;
export declare function updateRootFiles(tree: Tree): {
    didUpdateRootPreset: boolean;
};
export declare function updateToDefaultExport(tree: Tree, filePath: string): void;
export default updateExportsJestConfig;