text: /**
   * Copyright (c) Facebook, Inc. and its affiliates.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE file in the root directory of this source tree.
   *
   * @format
   */
  
  module.exports = {
    docs: {
      'Getting Started': ['intro/start', 'intro/try', 'intro/glossary'],
      'Main Concepts': [
        'main/guide',
        'main/init',
        {
          type: 'doc',
          id: 'main/control',
          label: 'Control',
        },
        'main/event',
        {
          type: 'doc',
          id: 'main/component',
          label: 'Components',
        },
      ],
      Extension: [
        {
          type: 'doc',
          id: 'extension/extend',
          label: 'Extend',
        },
        {
          type: 'category',
          label: 'Data Provider',
          collapsed: false,
          items: [
            {
              type: 'doc',
              id: 'extension/procedural-data-provider',
              label: 'Procedural',
            },
            {
              type: 'doc',
              id: 'extension/geometry-provider',
              label: 'Geometry',
            },
          ],
        },
        {
          type: 'category',
          label: 'Custom Render',
          collapsed: false,
          items: [
            {
              type: 'doc',
              id: 'extension/webgl-custom-renderer',
              label: 'WebGL',
            },
            {
              type: 'doc',
              id: 'extension/three-custom-renderer',
              label: 'Three.js',
            },
            'extension/animation',
            {
              type: 'doc',
              id: 'extension/graphics-developer',
              label: 'Graphics',
            },
          ],
        },
        {
          type: 'category',
          label: 'Camera Controls',
          collapsed: false,
          items: [
            {
              type: 'doc',
              id: 'extension/fly-controls',
              label: 'Fly Controls',
            },
          ],
        },
      ],
      Theory: [
        'theory/theory',
        {
          type: 'doc',
          id: 'theory/coordinates',
          label: 'Coordinates',
        },
        {
          type: 'doc',
          id: 'theory/navigation-graph',
          label: 'Navigation',
        },
        {
          type: 'doc',
          id: 'theory/polygon-triangulation',
          label: 'Triangulation',
        },
      ],
      Migration: ['migration/v4', 'migration/v3', 'migration/v2'],
    },
  };
  