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      "tooltip": "Set up your environment and learn basic concepts",
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          "tooltip": "Setting up for local development with the Angular CLI."
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          "title": "Angular Concepts",
          "tooltip": "Introduction to basic concepts for Angular applications.",
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              "url": "guide/architecture",
              "title": "Intro to Basic Concepts",
              "tooltip": "Basic building blocks of Angular applications."
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              "title": "Intro to Modules",
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              "url": "guide/architecture-components",
              "title": "Intro to Components",
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              "tooltip": "Beyond the basics."
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          "url": "guide/glossary",
          "title": "Angular Glossary",
          "tooltip": "Brief definitions of the most important words in the Angular vocabulary."
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        {
            "title": "Try it",
            "tooltip": "Examine and work with a ready-made sample app, with no setup.",
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                "url": "start",
                "title": "A Sample App",
                "tooltip": "Take a look at Angular's component model, template syntax, and component communication."
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              {
                "url": "start/start-data",
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                "tooltip": "Learn about fetching and managing data from users with forms."
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              {
                "url": "start/start-deployment",
                "title": "Deployment",
                "tooltip": "Move to local development, or deploy your application to Firebase or your own server."
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          "title": "Tutorial: Tour of Heroes",
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              "tooltip": "Introduction to the Tour of Heroes app and tutorial"
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              "tooltip": "Creating the application shell"
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              "url": "tutorial/toh-pt1",
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              "title": "2. Display a List",
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              "url": "tutorial/toh-pt3",
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              "title": "6. Get Data from a Server",
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      "title": "Fundamentals",
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          "title": "Components & Templates",
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              "url": "guide/template-syntax",
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            {
              "url": "guide/user-input",
              "title": "User Input",
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              "url": "guide/attribute-directives",
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              "url": "guide/structural-directives",
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              "tooltip": "Structural directives manipulate the layout of the page."
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              "url": "guide/pipes",
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            {
              "url": "guide/lifecycle-hooks",
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              "tooltip": "Angular calls lifecycle hook methods on directives and components as it creates, changes, and destroys them."
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            {
              "url": "guide/component-interaction",
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              "tooltip": "Share information between different directives and components."
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              "url": "guide/component-styles",
              "title": "Component Styles",
              "tooltip": "Add CSS styles that are specific to a component."
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            {
              "url": "guide/dynamic-component-loader",
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              "tooltip": "Load components dynamically."
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              "url": "guide/elements",
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              "tooltip": "Convert components to Custom Elements."
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          "title": "Forms for User Input",
          "tooltip": "Forms creates a cohesive, effective, and compelling data entry experience.",
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              "url": "guide/forms-overview",
              "title": "Introduction",
              "tooltip": "An Angular form coordinates a set of data-bound user controls, tracks changes, validates input, and presents errors."
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              "url": "guide/reactive-forms",
              "title": "Reactive Forms",
              "tooltip": "Create a reactive form using FormBuilder, groups, and arrays."
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              "url": "guide/forms",
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              "url": "guide/dynamic-form",
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              "tooltip": "Render dynamic forms with FormGroup."
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        },
        {
          "title": "Observables & RxJS",
          "tooltip": "Using observables for message passing in Angular.",
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            {
              "url": "guide/observables",
              "title": "Observables Overview",
              "tooltip": "Using observables to pass values synchronously or asynchronously."
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              "url": "guide/rx-library",
              "title": "The RxJS Library",
              "tooltip": "A library for reactive programming using observables to compose asynchronous or callback-based code."
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              "url": "guide/observables-in-angular",
              "title": "Observables in Angular",
              "tooltip": "How Angular subsystems use and expect observables."
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              "url": "guide/practical-observable-usage",
              "title": "Practical Usage",
              "tooltip": "Domains in which observables are particularly useful."
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            {
              "url": "guide/comparing-observables",
              "title": "Compare to Other Techniques",
              "tooltip": "How observables compare to promises and other message passing techniques."
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          ]
        },
        {
          "title": "NgModules",
          "tooltip": "NgModules.",
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            {
              "url": "guide/ngmodules",
              "title": "NgModules Introduction",
              "tooltip": "Use NgModules to make your apps efficient."
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            {
              "url": "guide/ngmodule-vs-jsmodule",
              "title": "JS Modules vs NgModules",
              "tooltip": "Differentiate between JavaScript modules and NgModules."
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            {
              "url": "guide/bootstrapping",
              "title": "Launching Apps with a Root Module",
              "tooltip": "Tell Angular how to construct and bootstrap the app in the root \"AppModule\"."
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            {
              "url": "guide/frequent-ngmodules",
              "title": "Frequently Used NgModules",
              "tooltip": "Introduction to the most frequently used NgModules."
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            {
              "url": "guide/module-types",
              "title": "Types of Feature Modules",
              "tooltip": "Description of the different types of feature modules."
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            {
              "url": "guide/entry-components",
              "title": "Entry Components",
              "tooltip": "All about entry components in Angular."
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              "url": "guide/feature-modules",
              "title": "Feature Modules",
              "tooltip": "Create feature modules to organize your code."
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              "url": "guide/providers",
              "title": "Providing Dependencies",
              "tooltip": "Providing dependencies to NgModules."
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            {
              "url": "guide/singleton-services",
              "title": "Singleton Services",
              "tooltip": "Creating singleton services."
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            {
              "url": "guide/lazy-loading-ngmodules",
              "title": "Lazy Loading Feature Modules",
              "tooltip": "Lazy load modules to speed up your apps."
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            {
              "url": "guide/sharing-ngmodules",
              "title": "Sharing NgModules",
              "tooltip": "Share NgModules to streamline your apps."
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            {
              "url": "guide/ngmodule-api",
              "title": "NgModule API",
              "tooltip": "Understand the details of NgModules."
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            {
              "url": "guide/ngmodule-faq",
              "title": "NgModule FAQs",
              "tooltip": "Answers to frequently asked questions about NgModules."
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        },
        {
          "title": "Dependency Injection",
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              "url": "guide/dependency-injection",
              "title": "Angular Dependency Injection",
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              "url": "guide/hierarchical-dependency-injection",
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              "tooltip": "An injector tree parallels the component tree and supports nested dependencies."
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            {
              "url": "guide/dependency-injection-providers",
              "title": "DI Providers",
              "tooltip": "More about the different kinds of providers."
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              "url": "guide/dependency-injection-in-action",
              "title": "DI in Action",
              "tooltip": "Techniques for dependency injection."
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            {
              "url": "guide/dependency-injection-navtree",
              "title": "Navigate the Component Tree",
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          "url": "guide/http",
          "title": "Access Servers over HTTP",
          "tooltip": "Use HTTP to talk to a remote server."
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        {
          "url": "guide/router",
          "title": "Routing & Navigation",
          "tooltip": "Build in-app navigation among views using the Angular Router."
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          "url": "guide/security",
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          "tooltip": "Developing for content security in Angular applications."
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    {
      "title": "Techniques",
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          "title": "Animations",
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              "url": "guide/animations",
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              "tooltip": "Basic techniques in Angular animations."
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              "url": "guide/transition-and-triggers",
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              "url": "guide/complex-animation-sequences",
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              "url": "guide/reusable-animations",
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              "tooltip": "Creating reusable animations."
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          "title": "Internationalization (i18n)",
          "tooltip": "Translate the app's template text into multiple languages."
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          "url": "guide/accessibility",
          "title": "Accessibility",
          "tooltip": "Design apps to be accessible to all users."
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        {
          "title": "Service Workers & PWA",
          "tooltip": "Angular service workers: Controlling caching of application resources.",
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              "url": "guide/service-worker-intro",
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              "url": "guide/service-worker-getting-started",
              "title": "Getting Started",
              "tooltip": "Enabling the service worker in a CLI project and observing behavior in the browser."
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            {
              "url": "guide/app-shell",
              "title": "App Shell",
              "tooltip": "Render a portion of your app quickly to improve the startup experience."
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            {
              "url": "guide/service-worker-communications",
              "title": "Service Worker Communication",
              "tooltip": "Services that enable you to interact with an Angular service worker."
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            {
              "url": "guide/service-worker-devops",
              "title": "Service Worker in Production",
              "tooltip": "Running apps with service workers, managing app update, debugging, and killing apps."
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              "url": "guide/service-worker-config",
              "title": "Service Worker Configuration",
              "tooltip": "Configuring service worker caching behavior."
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          "url": "guide/web-worker",
          "title": "Web Workers",
          "tooltip": "Using web workers for background processing."
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          "url": "guide/universal",
          "title": "Server-side Rendering",
          "tooltip": "Render HTML server-side with Angular Universal."
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        {
          "title": "Upgrading from AngularJS",
          "tooltip": "Incrementally upgrade an AngularJS application to Angular.",
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              "url": "guide/upgrade-setup",
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            },
            {
              "url": "guide/upgrade",
              "title": "Upgrading Instructions",
              "tooltip": "Incrementally upgrade an AngularJS application to Angular."
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            {
              "url": "guide/upgrade-performance",
              "title": "Upgrading for Performance",
              "tooltip": "Upgrade from AngularJS to Angular in a more flexible way."
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            {
              "url": "guide/ajs-quick-reference",
              "title": "AngularJS-Angular Concepts",
              "tooltip": "Learn how AngularJS concepts and techniques map to Angular."
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          "title": "Angular Libraries",
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              "url": "guide/libraries",
              "title": "Libraries Overview",
              "tooltip": "Understand how and when to use or create libraries."
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              "url": "guide/using-libraries",
              "title": "Using Published Libraries",
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              "url": "guide/creating-libraries",
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          "title": "Schematics",
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              "url": "guide/schematics",
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              "tooltip": "Understand the structure of a schematic."
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              "url": "guide/schematics-for-libraries",
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          "url": "guide/cli-builder",
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          "tooltip": "Using builders to customize Angular CLI."
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          "url": "guide/web-worker",
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      "title": "Dev Workflow",
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          "title": "AOT Compiler",
          "tooltip": "Understanding ahead-of-time compilation.",
          "children": [
            {
              "url": "guide/aot-compiler",
              "title": "Ahead-of-Time Compilation",
              "tooltip": "Learn why and how to use the Ahead-of-Time (AOT) compiler."
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            {
              "url": "guide/angular-compiler-options",
              "title": "Angular Compiler Options",
              "tooltip": "Configuring AOT compilation."
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           {
              "url": "guide/aot-metadata-errors",
              "title": "AOT Metadata Errors",
              "tooltip": "Troubleshooting AOT compilation."
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           {
            "url": "guide/template-typecheck",
            "title": "Template Type-checking",
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        {
          "url": "guide/build",
          "title": "Building & Serving",
          "tooltip": "Building and serving Angular apps."
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        {
          "url": "guide/bazel",
          "title": "Building with Bazel",
          "tooltip": "How to set up your environment to build and test with Bazel."
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        {
          "url": "guide/testing",
          "title": "Testing",
          "tooltip": "Techniques and practices for testing an Angular app."
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        {
          "url": "guide/deployment",
          "title": "Deployment",
          "tooltip": "Learn how to deploy your Angular app."
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        {
          "title": "Dev Tool Integration",
          "tooltip": "Integrate with your development environment and tools.",
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              "url": "guide/language-service",
              "title": "Language Service",
              "tooltip": "Use Angular Language Service to speed up dev time."
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            {
              "url": "guide/visual-studio-2015",
              "title": "Visual Studio 2015",
              "tooltip": "Using Angular with Visual Studio 2015.",
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      "tooltip": "Workspace and project file structure and configuration.",
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          "url": "guide/file-structure",
          "title": "Project File Structure",
          "tooltip": "How your Angular workspace looks on your filesystem."
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        {
          "url": "guide/workspace-config",
          "title": "Workspace Configuration",
          "tooltip": "The \"angular.json\" file contains workspace and project configuration defaults for Angular CLI commands."
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        {
          "url": "guide/npm-packages",
          "title": "npm Dependencies",
          "tooltip": "Description of npm packages required at development time and at runtime."
        },
        {
          "url": "guide/typescript-configuration",
          "title": "TypeScript Configuration",
          "tooltip": "TypeScript configuration for Angular developers."
        },
        {
          "url": "guide/browser-support",
          "title": "Browser Support",
          "tooltip": "Browser support and polyfills guide."
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    },
    {
      "title": "Extending Angular",
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              "url": "guide/libraries",
              "title": "Libraries Overview",
              "tooltip": "Understand how and when to use or create libraries."
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            {
              "url": "guide/using-libraries",
              "title": "Using Published Libraries",
              "tooltip": "Integrate published libraries into an app."
            },
            {
              "url": "guide/creating-libraries",
              "title": "Creating Libraries",
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        },
        {
          "title": "Schematics",
          "tooltip": "Understanding schematics.",
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            {
              "url": "guide/schematics",
              "title": "Schematics Overview",
              "tooltip": "Extending CLI generation capabilities."
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            {
              "url": "guide/schematics-authoring",
              "title": "Authoring Schematics",
              "tooltip": "Understand the structure of a schematic."
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            {
              "url": "guide/schematics-for-libraries",
              "title": "Schematics for Libraries",
              "tooltip": "Use schematics to integrate your library with the Angular CLI."
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          ]
        },
        {
          "url": "guide/cli-builder",
          "title": "CLI Builders",
          "tooltip": "Using builders to customize Angular CLI."
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      ]
    },
    {
      "title": "Tutorials",
      "tooltop": "End-to-end tutorials for learning Angular concepts and patterns.",
      "children": [
        {
          "url": "guide/router-tutorial",
          "title": "Using Angular Routes in a Single-page Application",
          "tooltip": "A tutorial that covers many patterns associated with Angular routing."
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      ]
    },
    {
      "title": "Release Information",
      "tooltip": "Angular release practices, updating, and upgrading.",
      "children": [
        {
          "url": "guide/updating",
          "title": "Keeping Up-to-Date",
          "tooltip": "Information about updating Angular applications and libraries to the latest version."
        },
        {
          "url": "guide/releases",
          "title": "Release Practices",
          "tooltip": "Angular versioning, release, support, and deprecation policies and practices."
        },
        {
          "url": "guide/updating-to-version-9",
          "title": "Updating to Version 9",
          "tooltip": "Support for updating your application from version 8 to 9."
        },
        {
          "url": "guide/deprecations",
          "title": "Deprecations",
          "tooltip": "Summary of Angular APIs and features that are deprecated."
        },
        {
          "url": "guide/ivy",
          "title": "Angular Ivy",
          "tooltip": "About the Angular Ivy compilation and rendering pipeline."
        },
        {
          "title": "Upgrading from AngularJS",
          "tooltip": "Incrementally upgrade an AngularJS application to Angular.",
          "children": [
            {
              "url": "guide/upgrade",
              "title": "Upgrading Instructions",
              "tooltip": "Incrementally upgrade an AngularJS application to Angular."
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            {
              "url": "guide/upgrade-setup",
              "title": "Setup for Upgrading from AngularJS",
              "tooltip": "Use code from the Angular QuickStart seed as part of upgrading from AngularJS."
            },
            {
              "url": "guide/upgrade-performance",
              "title": "Upgrading for Performance",
              "tooltip": "Upgrade from AngularJS to Angular in a more flexible way."
            },
            {
              "url": "guide/ajs-quick-reference",
              "title": "AngularJS-Angular Concepts",
              "tooltip": "Learn how AngularJS concepts and techniques map to Angular."
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    },
    {
      "title": "Angular Style and Usage",
      "tooltip": "Summaries of Angular syntax, coding, and doc styles.",
      "children": [
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          "url": "guide/cheatsheet",
          "title": "Quick Reference",
          "tooltip": "A quick guide to common Angular coding techniques."
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        {
          "url": "guide/styleguide",
          "title": "Coding Style Guide",
          "tooltip": "Guidelines for writing Angular code."
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        {
          "url": "guide/docs-style-guide",
          "title": "Documentation Style Guide",
          "tooltip": "Style guide for documentation authors."
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      ]
    },
    {
      "title": "CLI Command Reference",
      "tooltip": "Angular CLI command reference.",
      "children": [
        {
          "title": "Overview",
          "tooltip": "An introduction to the CLI tool, commands, and syntax.",
          "url": "cli"
        },
        {
          "title": "Usage Analytics",
          "tooltip": "For administrators, guide to gathering usage analytics from your users.",
          "url": "cli/usage-analytics-gathering"
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      ]
    },
    {
      "title": "API Reference",
      "tooltip": "Details of the Angular packages, classes, interfaces, and other types.",
      "url": "api"
    }
  ],
  "Footer": [
    {
      "title": "Resources",
      "children": [
        {
          "url": "about",
          "title": "About",
          "tooltip": "Angular contributors."
        },
        {
          "url": "resources",
          "title": "Resource Listing",
          "tooltip": "Angular tools, training, and blogs from around the web."
        },
        {
          "url": "presskit",
          "title": "Press Kit",
          "tooltip": "Press contacts, logos, and branding."
        },
        {
          "url": "https://blog.angular.io/",
          "title": "Blog",
          "tooltip": "Angular Blog"
        },
        {
          "url": "analytics",
          "title": "Usage Analytics",
          "tooltip": "Angular Usage Analytics"
        }
      ]
    },
    {
      "title": "Help",
      "children": [
        {
          "url": "https://stackoverflow.com/questions/tagged/angular",
          "title": "Stack Overflow",
          "tooltip": "Stack Overflow: where the community answers your technical Angular questions."
        },
        {
          "url": "https://gitter.im/angular/angular",
          "title": "Gitter",
          "tooltip": "Chat about Angular with other birds of a feather."
        },
        {
          "url": "https://github.com/angular/angular/issues",
          "title": "Report Issues",
          "tooltip": "Post issues and suggestions on github."
        },
        {
          "url": "https://github.com/angular/code-of-conduct/blob/master/CODE_OF_CONDUCT.md",
          "title": "Code of Conduct",
          "tooltip": "Treating each other with respect."
        }
      ]
    },
    {
      "title": "Community",
      "children": [
        {
          "url": "events",
          "title": "Events",
          "tooltip": "Angular events around the world."
        },
        {
          "url": "http://www.meetup.com/topics/angularjs/",
          "title": "Meetups",
          "tooltip": "Attend a meetup and learn from fellow developers."
        },
        {
          "url": "https://twitter.com/angular",
          "title": "Twitter",
          "tooltip": "Twitter"
        },
        {
          "url": "https://github.com/angular/angular",
          "title": "GitHub",
          "tooltip": "GitHub"
        },
        {
          "url": "contribute",
          "title": "Contribute",
          "tooltip": "Contribute to Angular"
        }
      ]
    },
    {
      "title": "Languages",
      "children": [
        {
          "title": "简体中文版",
          "url": "https://angular.cn/"
        },
        {
          "title": "正體中文版",
          "url": "https://angular.tw/"
        },
        {
          "title": "日本語版",
          "url": "https://angular.jp/"
        },
        {
          "title": "한국어",
          "url": "https://angular.kr/"
        }
      ]
    }
  ],
  "docVersions": [
    {
      "title": "v8",
      "url": "https://v8.angular.io/"
    },
    {
      "title": "v7",
      "url": "https://v7.angular.io/"
    },
    {
      "title": "v6",
      "url": "https://v6.angular.io/"
    },
    {
      "title": "v5",
      "url": "https://v5.angular.io/"
    },
    {
      "title": "v4",
      "url": "https://v4.angular.io/"
    },
    {
      "title": "v2",
      "url": "https://v2.angular.io/"
    }
  ]
}