/**
 * Some utils taken from various parts of Nx:
 * https://github.com/nrwl/nx
 *
 * Thanks, Nrwl folks!
 */
import { Path } from '@angular-devkit/core';
import { Rule, SchematicContext, Tree } from '@angular-devkit/schematics';
/**
 * This method is specifically for reading JSON files in a Tree
 * @param host The host tree
 * @param path The path to the JSON file
 * @returns The JSON data in the file.
 */
export declare function readJsonInTree<T = any>(host: Tree, path: string): T;
/**
 * This method is specifically for updating JSON in a Tree
 * @param path Path of JSON file in the Tree
 * @param callback Manipulation of the JSON data
 * @returns A rule which updates a JSON file file in a Tree
 */
export declare function updateJsonInTree<T = any, O = T>(path: string, callback: (json: T, context: SchematicContext) => O): Rule;
export declare function getWorkspacePath(host: Tree): string;
declare type TargetsConfig = Record<string, {
    builder: string;
    options: unknown;
}>;
export declare function getTargetsConfigFromProject(projectConfig: {
    architect?: TargetsConfig;
} & {
    targets?: TargetsConfig;
}): TargetsConfig | null;
export declare function isKarmaUsedInWorkspace(tree: Tree): boolean;
export declare function getProjectConfig(host: Tree, name: string): any;
export declare function offsetFromRoot(fullPathToSourceDir: string): string;
export declare function updateWorkspaceInTree<T = any, O = T>(callback: (json: T, context: SchematicContext, host: Tree) => O): Rule;
export declare function addJestTargetToProject(projectName: string, targetName: 'test'): Rule;
/**
 * Utility to act on all files in a tree that are not ignored by git.
 */
export declare function visitNotIgnoredFiles(visitor: (file: Path, host: Tree, context: SchematicContext) => void | Rule, dir?: Path): Rule;
export declare function createRootJestConfig(path: string, hasE2e: boolean): (tree: import("@angular-devkit/schematics/src/tree/interface").Tree) => Promise<Rule>;
export declare function createJestConfigForProject(projectName: string): Rule;
export declare function removeKarmaConfJsForProject(projectName: string): Rule;
export declare function sortObjectByKeys(obj: Record<string, unknown>): Record<string, unknown>;
/**
 * To make certain schematic usage conversion more ergonomic, if the user does not specify a project
 * and only has a single project in their angular.json we will just go ahead and use that one.
 */
export declare function determineTargetProjectName(tree: Tree, maybeProject?: string): string | null;
/**
 * Checking if the target project has e2e setup
 * Method will check if angular project architect has e2e configuration to determine if e2e setup
 */
export declare function determineTargetProjectHasE2E(angularJSON: any, projectName: string): boolean;
export {};