import { Tree } from '@nrwl/devkit';
import type { Diagnostic } from '@stencil/core/compiler';
import { SupportedStyles } from '../stencil-core-utils';
export declare function calculateStyle(style: SupportedStyles | undefined): SupportedStyles;
export declare function addToGitignore(host: Tree, path: string): void;
export declare function isStencilProject(project: any): boolean;
export declare function isBuildableStencilProject(project: any): boolean;
export declare const hasError: (diagnostics: Diagnostic[]) => boolean;