import { AddPropertyToClassOptions, AddRouteDeclarationToNgModuleOptions, AddSymbolToNgModuleOptions, AddTextToObjectOptions, UpsertBarrelFileOptions, AddImportToFileOptions, AddChangeDetectionToComponentOptions, TextOptions } from './interfaces';
import { Rule, SchematicContext, Tree } from '@angular-devkit/schematics';
export declare function addImportToFile(options: AddImportToFileOptions): Rule;
export declare function isRouteDeclarationExist(sourceText: string): boolean;
export declare function isChildrenRouteDeclarationExist(sourceText: string): boolean;
export declare function isMetadataFieldEmpty(sourceText: string, metadataField: string): boolean;
export declare function addRouteDeclarationToNgModule(options: AddRouteDeclarationToNgModuleOptions): Rule;
export declare function addDeclarationToNgModuleMetadata(options: AddSymbolToNgModuleOptions): Rule;
export declare function addProviderToNgModuleMetadata(options: AddSymbolToNgModuleOptions): Rule;
export declare function addImportToNgModuleMetadata(options: AddSymbolToNgModuleOptions): Rule;
export declare function addChangeDetectionToComponent(options: AddChangeDetectionToComponentOptions): Rule;
export declare function addPropertyToClass(options: AddPropertyToClassOptions): Rule;
export declare function addTextToObject(options: AddTextToObjectOptions): Rule;
export declare function upsertBarrelFile(options: UpsertBarrelFileOptions): Rule;
export declare function addDepsToPackageJson(deps?: any, devDeps?: any, addInstallTask?: boolean): Rule;
export declare function updateJsonInTree<T = any, O = T>(path: string, callback: (json: T, context: SchematicContext) => O): Rule;
export declare function isThereDependencyInPackageJson(host: Tree, dependency: string): boolean;
export declare function readJsonInTree<T = any>(host: Tree, path: string): T;
export declare function addTextIntoBeginningOfFile(options: TextOptions): Rule;