json_schema: {
      "properties": {
          "animations": {
              "default": true,
              "description": "Whether Angular browser animations should be set up or not.",
              "type": "boolean",
              "x-prompt": "Set up browser animations for Nebular?"
          },
          "customization": {
              "default": true,
              "description": "Use prebuilt css styles or import customizable scss.",
              "type": "boolean",
              "x-prompt": "Use customizable scss themes?"
          },
          "layout": {
              "default": true,
              "description": "Whether root component has to be wrapped in nb-layout or not.",
              "type": "boolean"
          },
          "project": {
              "$default": {
                  "$source": "projectName"
              },
              "description": "The name of the project.",
              "type": "string"
          },
          "theme": {
              "default": "default",
              "description": "Visual theme to installed.",
              "enum": [
                  "default",
                  "dark",
                  "cosmic",
                  "corporate"
              ],
              "x-prompt": "Which Nebular theme do you want to use:"
          }
      },
      "title": "Nebular Theme ng-add schematics",
      "type": "object"
  }