import { Rule, SchematicContext, Tree } from "@angular-devkit/schematics";
import { ProjectDefinition, WorkspaceDefinition } from "@schematics/angular/utility/workspace";
export declare function readJsonInTree<T = unknown>(host: Tree, path: string): T;
export declare function updateJsonInTree<T = unknown, O = T>(path: string, callback: (json: T, context: SchematicContext) => O): Rule;
export declare function getProjectFromWorkspace(workspace: WorkspaceDefinition, projectName: string | undefined): ProjectDefinition;
export declare function addPackageToPackageJson(host: Tree, pkg: string, version: string): Tree;
export declare function getProjectTargetOptions(project: ProjectDefinition, buildTarget: string): Record<string, import("@angular-devkit/core").JsonValue | undefined> | undefined;
export declare function getProjectMainFile(project: ProjectDefinition): string;
/**
 * Whether the Angular module in the given path imports the specified module class name.
 */
export declare function hasNgModuleImport(tree: Tree, modulePath: string, className: string): boolean;
export declare function addModuleImportToRootModule(host: Tree, moduleName: string, src: string, project: ProjectDefinition): void;