import { Tree } from '@angular-devkit/schematics';
import { Schema as ComponentOptions } from '@schematics/angular/component/schema';
import { WorkspaceProject, WorkspaceSchema } from '@angular-devkit/core/src/experimental/workspace';
export declare function buildSelector(options: ComponentOptions, projectPrefix: string): string;
/** Adds a package to the package.json in the given host tree. */
export declare function addPackageToPackageJson(host: Tree, pkg: string, version: string): Tree;
/** Gets the version of the specified package by looking at the package.json in the given tree. */
export declare function getPackageVersionFromPackageJson(tree: Tree, name: string): string | null;
/** Adds a theming style entry to the given project target options. */
export declare function addThemeStyleToTarget(project: WorkspaceProject, targetName: 'test' | 'build', host: Tree, assetPath: string, workspace: WorkspaceSchema): Tree;