{
  "type": "doc",
  "content": [
    {
      "type": "blockquote",
      "content": [
        {
          "type": "paragraph",
          "content": [{ "type": "text", "text": "A quoted line." }]
        },
        {
          "type": "paragraph",
          "content": [{ "type": "text", "text": "A second quoted paragraph." }]
        }
      ]
    },
    {
      "type": "horizontalRule"
    },
    {
      "type": "codeBlock",
      "attrs": { "language": "js" },
      "content": [
        { "type": "text", "text": "const a = 1;\nconsole.log(a);\n" }
      ]
    },
    {
      "type": "callout",
      "attrs": { "type": "warning" },
      "content": [
        {
          "type": "paragraph",
          "content": [{ "type": "text", "text": "This is a warning callout." }]
        }
      ]
    }
  ]
}