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      "title": "Resources"
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      "url": "events",
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      "url": "https://blog.angular.io/",
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      "title": "Doc authors style guide",
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      "title": "Getting Started",
      "tooltip": "Learn the basics by building your first Angular application.",
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          "tooltip": "Introduction to Angular's component model, template syntax, and component communication"
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          "title": "Routing",
          "tooltip": "Introduction to routing between components using the browser's URL"
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          "url": "getting-started/data",
          "title": "Managing Data",
          "tooltip": "Introduction to services, and accessing external data"
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          "url": "getting-started/forms",
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          "tooltip": "Learn about fetching and managing data from users with forms"
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          "url": "getting-started/deployment",
          "title": "Deployment",
          "tooltip": "Share your application with the world by hosting it on Firebase or your own server"
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      "url": "guide/quickstart",
      "title": "Environment Quickstart",
      "tooltip": "A brief introduction to local development with the Angular CLI."
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      "title": "Tutorial: Tour of Heroes",
      "tooltip": "The Tour of Heroes tutorial takes you through the steps of creating an Angular application in TypeScript.",
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          "title": "Introduction",
          "tooltip": "Introduction to the Tour of Heroes tutorial"
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          "title": "The Application Shell",
          "tooltip": "Creating the application shell"
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        {
          "url": "tutorial/toh-pt1",
          "title": "1. The Hero Editor",
          "tooltip": "Part 1: Build a simple hero editor"
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          "title": "2. Displaying a List",
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        {
          "url": "tutorial/toh-pt3",
          "title": "3. Master/Detail Components",
          "tooltip": "Part 3: Refactor the master/detail view into separate components."
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          "url": "tutorial/toh-pt4",
          "title": "4. Services",
          "tooltip": "Part 4: Create a reusable service to manage hero data."
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          "title": "5. Routing",
          "tooltip": "Part 5: Add the Angular router and navigate among the views."
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          "title": "6. HTTP",
          "tooltip": "Part 6: Use HTTP to retrieve and save hero data."
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      "tooltip": "The fundamentals of Angular",
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          "title": "Architecture",
          "tooltip": "The basic building blocks of Angular applications.",
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              "tooltip": "Basic building blocks of Angular applications."
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              "url": "guide/architecture-modules",
              "title": "Intro to Modules",
              "tooltip": "About NgModules."
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              "url": "guide/architecture-components",
              "title": "Intro to Components",
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              "url": "guide/architecture-services",
              "title": "Intro to Services and DI",
              "tooltip": "About services and dependency injection."
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            {
              "url": "guide/architecture-next-steps",
              "title": "Next Steps",
              "tooltip": "Beyond the basics."
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        {
          "title": "Components & Templates",
          "tooltip": "Building dynamic views with data binding",
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              "url": "guide/displaying-data",
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              "tooltip": "Property binding helps show app data in the UI."
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              "tooltip": "Learn how to write templates that display data and consume user events with the help of data binding."
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            {
              "url": "guide/user-input",
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            {
              "url": "guide/lifecycle-hooks",
              "title": "Lifecycle Hooks",
              "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/elements",
              "title": "Angular Elements",
              "tooltip": "Convert components to Custom Elements."
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              "url": "guide/dynamic-component-loader",
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              "tooltip": "Load components dynamically."
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              "url": "guide/attribute-directives",
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              "tooltip": "Attribute directives attach behavior to elements."
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              "tooltip": "Structural directives manipulate the layout of the page."
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              "url": "guide/pipes",
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              "tooltip": "Pipes transform displayed values within a template."
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          ]
        },
        {
          "title": "Forms",
          "tooltip": "Angular Forms",
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              "url": "guide/forms-overview",
              "title": "Introduction",
              "tooltip": "A form creates a cohesive, effective, and compelling data entry experience. 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",
              "title": "Template-driven Forms",
              "tooltip": "Create a template-driven form using directives and Angular template syntax."
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              "url": "guide/form-validation",
              "title": "Form Validation",
              "tooltip": "Validate user's form entries."
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            {
              "url": "guide/dynamic-form",
              "title": "Dynamic Forms",
              "tooltip": "Render dynamic forms with FormGroup."
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          ]
        },
        {
          "title": "Observables & RxJS",
          "tooltip": "Observables & RxJS",
          "children": [
            {
              "url": "guide/observables",
              "title": "Observables",
              "tooltip": ""
            },
            {
              "url": "guide/rx-library",
              "title": "The RxJS Library",
              "tooltip": ""
            },
            {
              "url": "guide/observables-in-angular",
              "title": "Observables in Angular",
              "tooltip": ""
            },
            {
              "url": "guide/practical-observable-usage",
              "title": "Practical Usage",
              "tooltip": ""
            },
            {
              "url": "guide/comparing-observables",
              "title": "Compare to Other Techniques",
              "tooltip": ""
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          ]
        },
        {
          "url": "guide/bootstrapping",
          "title": "Bootstrapping",
          "tooltip": "Tell Angular how to construct and bootstrap the app in the root \"AppModule\"."
        },
        {
          "title": "NgModules",
          "tooltip": "NgModules.",
          "children": [
            {
              "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."
            },
            {
              "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."
            },
            {
              "url": "guide/entry-components",
              "title": "Entry Components",
              "tooltip": "All about entry components in Angular."
            },
            {
              "url": "guide/feature-modules",
              "title": "Feature Modules",
              "tooltip": "Create feature modules to organize your code."
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            {
              "url": "guide/providers",
              "title": "Providers",
              "tooltip": "Providers and NgModules."
            },
            {
              "url": "guide/singleton-services",
              "title": "Singleton Services",
              "tooltip": "Creating singleton services."
            },
            {
              "url": "guide/lazy-loading-ngmodules",
              "title": "Lazy Loading Feature Modules",
              "tooltip": "Lazy load modules to speed up your apps."
            },
            {
              "url": "guide/sharing-ngmodules",
              "title": "Sharing NgModules",
              "tooltip": "Share NgModules to streamline your apps."
            },
            {
              "url": "guide/ngmodule-api",
              "title": "NgModule API",
              "tooltip": "Understand the details of NgModules."
            },
            {
              "url": "guide/ngmodule-faq",
              "title": "NgModule FAQs",
              "tooltip": "Answers to frequently asked questions about NgModules."
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          ]
        },
        {
          "title": "Dependency Injection",
          "tooltip": "Dependency Injection: creating and injecting services",
          "children": [
            {
              "url": "guide/dependency-injection",
              "title": "Angular Dependency Injection",
              "tooltip": "Angular's dependency injection system creates and delivers dependent services to Angular-created classes."
            },
            {
              "url": "guide/hierarchical-dependency-injection",
              "title": "Hierarchical Injectors",
              "tooltip": "An injector tree parallels the component tree and supports nested dependencies."
            },
            {
              "url": "guide/dependency-injection-providers",
              "title": "DI Providers",
              "tooltip": "More about the different kinds of providers."
            },
            {
              "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": "HttpClient",
          "tooltip": "Use HTTP to talk to a remote server."
        },
        {
          "url": "guide/router",
          "title": "Routing & Navigation",
          "tooltip": "Discover the basics of screen navigation with the Angular Router."
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        {
          "title": "Animations",
          "tooltip": "A guide to Angular's animation system.",
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              "url": "guide/animations",
              "title": "Introduction",
              "tooltip": "Basic techniques in Angular animations."
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            {
              "url": "guide/transition-and-triggers",
              "title": "Transition and Triggers",
              "tooltip": "Advanced techniques in transition and triggers."
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            {
              "url": "guide/complex-animation-sequences",
              "title": "Complex Sequences",
              "tooltip": "Complex Angular animation sequences."
            },
            {
              "url": "guide/reusable-animations",
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              "tooltip": "Creating reusable animations."
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            {
              "url": "guide/route-animations",
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              "tooltip": "Animate route transitions."
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    {
      "title": "Techniques",
      "tooltip": "Techniques for putting Angular to work in your environment",
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          "url": "guide/security",
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          "tooltip": "Developing for content security in Angular applications."
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        {
          "url": "guide/i18n",
          "title": "Internationalization (i18n)",
          "tooltip": "Translate the app's template text into multiple languages."
        },
        {
          "title": "Service Workers & PWA",
          "tooltip": "Angular service workers: Controlling caching of application resources.",
          "children": [
            {
              "url": "guide/service-worker-intro",
              "title": "Introduction",
              "tooltip": "Angular's implementation of service workers improves user experience with slow or unreliable network connectivity."
            },
            {
              "url": "guide/service-worker-getting-started",
              "title": "Getting Started",
              "tooltip": "Enabling the service worker in a CLI project and observing behavior in the browser."
            },
            {
              "url": "guide/app-shell",
              "title": "App Shell",
              "tooltip": "Enabling the App Shell in a CLI project."
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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 applications with service workers, managing application update, debugging, and killing applications."
            },
            {
              "url": "guide/service-worker-config",
              "title": "Service Worker Configuration",
              "tooltip": "Configuring service worker caching behavior."
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          ]
        },
        {
          "url": "guide/universal",
          "title": "Server-side Rendering",
          "tooltip": "Render HTML server-side with Angular Universal."
        },
        {
          "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."
            },
            {
              "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 Libraries",
          "tooltip": "Extending Angular with shared libraries.",
          "children": [
            {
              "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."
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            {
              "url": "guide/creating-libraries",
              "title": "Creating Libraries",
              "tooltip": "Extend Angular by creating, publishing, and using your own libraries."
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        },
        {
          "title": "Schematics",
          "tooltip": "Understanding schematics.",
          "children": [
            {
              "url": "guide/schematics",
              "title": "Schematics Overview",
              "tooltip": "Understand how schematics are used in Angular."
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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",
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              "tooltip": "Use schematics to integrate your library with the Angular CLI."
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          ]
        },
        {
          "url": "guide/ivy",
          "title": "Angular Ivy",
          "tooltip": "Opting into Angular Ivy with Angular CLI."
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        {
          "url": "guide/web-worker",
          "title": "Web Workers",
          "tooltip": "Using Web Workers with Angular CLI."
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      ]
    },
    {
      "title": "Setup & Deployment",
      "tooltip": "Build, testing, and deployment environment, tool, and configuration information.",
      "children": [
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        {
          "url": "guide/file-structure",
          "title": "Project File Structure",
          "tooltip": "How your Angular workspace looks on your filesystem."
        },
        {
          "url": "guide/workspace-config",
          "title": "Workspace Configuration",
          "tooltip": "The \"angular.json\" file contains workspace and project configuration defaults for Angular CLI commands."
        },
        {
          "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/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/build",
          "title": "Building & Serving",
          "tooltip": "Building and serving Angular apps."
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        {
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        {
          "url": "guide/deployment",
          "title": "Deployment",
          "tooltip": "Learn how to deploy your Angular app."
        },
        {
          "url": "guide/browser-support",
          "title": "Browser Support",
          "tooltip": "Browser support and polyfills guide."
        },
        {
          "title": "Dev Tool Integration",
          "tooltip": "Integrate with your development environment and tools.",
          "children": [
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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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      ]
    },
    {
      "title": "Release Information",
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          "url": "guide/updating",
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          "tooltip": "Information about updating Angular applications and libraries to the latest version."
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        {
          "url": "guide/releases",
          "title": "Release Practices",
          "tooltip": "Angular versioning, release, support, and deprecation policies and practices."
        },
        {
          "url": "guide/deprecation",
          "title": "Deprecation Summary",
          "tooltip": "Summary of Angular features and APIs that are deprecated."
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      ]
    },
    {
      "title": "Quick Reference",
      "tooltip": "Summaries of Angular syntax, coding, and terminology.",
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          "url": "guide/cheatsheet",
          "title": "Cheat Sheet",
          "tooltip": "A quick guide to common Angular coding techniques."
        },
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          "url": "guide/styleguide",
          "title": "Style Guide",
          "tooltip": "Write Angular with style."
        },
        {
          "url": "guide/glossary",
          "title": "Glossary",
          "tooltip": "Brief definitions of the most important words in the Angular vocabulary."
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      ]
    },
    {
      "title": "CLI Commands",
      "tooltip": "Angular CLI command reference.",
      "children": [
        {
          "title": "Overview",
          "tooltip": "An introduction to the CLI tool, commands, and syntax.",
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        {
          "title": "Usage Analytics",
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          "url": "cli/usage-analytics-gathering"
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      ]
    },
    {
      "title": "API",
      "tooltip": "Details of the Angular packages, classes, interfaces, and other types.",
      "url": "api"
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  "Footer": [
    {
      "title": "Resources",
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          "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",
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        {
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          "tooltip": "Angular Usage Analytics"
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      ]
    },
    {
      "title": "Help",
      "children": [
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          "url": "https://stackoverflow.com/questions/tagged/angular",
          "title": "Stack Overflow",
          "tooltip": "Stack Overflow: where the community answers your technical Angular questions."
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        {
          "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",
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      ]
    },
    {
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          "title": "Events",
          "tooltip": "Post issues and suggestions on github."
        },
        {
          "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": "中文版",
          "url": "https://angular.cn/"
        },
        {
          "title": "日本語版",
          "url": "https://angular.jp/"
        },
        {
          "title": "한국어",
          "url": "https://angular.kr/"
        }
      ]
    }
  ],
  "docVersions": [
    {
      "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"
    }
  ]
}