{
  "blocks": [
    {
      "kind": "heading",
      "heading_path": [],
      "source_span": {
        "kind": "line",
        "start": 1,
        "end": 1
      },
      "payload": {
        "kind": "heading",
        "level": 1,
        "text": "Top"
      }
    },
    {
      "kind": "paragraph",
      "heading_path": [
        "Top"
      ],
      "source_span": {
        "kind": "line",
        "start": 3,
        "end": 3
      },
      "payload": {
        "kind": "paragraph",
        "text": "intro",
        "inlines": [
          {
            "kind": "text",
            "text": "intro"
          }
        ]
      }
    },
    {
      "kind": "heading",
      "heading_path": [
        "Top"
      ],
      "source_span": {
        "kind": "line",
        "start": 5,
        "end": 5
      },
      "payload": {
        "kind": "heading",
        "level": 2,
        "text": "Section A"
      }
    },
    {
      "kind": "paragraph",
      "heading_path": [
        "Top",
        "Section A"
      ],
      "source_span": {
        "kind": "line",
        "start": 7,
        "end": 7
      },
      "payload": {
        "kind": "paragraph",
        "text": "body of A",
        "inlines": [
          {
            "kind": "text",
            "text": "body of A"
          }
        ]
      }
    },
    {
      "kind": "heading",
      "heading_path": [
        "Top",
        "Section A"
      ],
      "source_span": {
        "kind": "line",
        "start": 9,
        "end": 9
      },
      "payload": {
        "kind": "heading",
        "level": 3,
        "text": "Sub A.1"
      }
    },
    {
      "kind": "paragraph",
      "heading_path": [
        "Top",
        "Section A",
        "Sub A.1"
      ],
      "source_span": {
        "kind": "line",
        "start": 11,
        "end": 11
      },
      "payload": {
        "kind": "paragraph",
        "text": "deeper",
        "inlines": [
          {
            "kind": "text",
            "text": "deeper"
          }
        ]
      }
    },
    {
      "kind": "heading",
      "heading_path": [
        "Top"
      ],
      "source_span": {
        "kind": "line",
        "start": 13,
        "end": 13
      },
      "payload": {
        "kind": "heading",
        "level": 2,
        "text": "Section B"
      }
    },
    {
      "kind": "paragraph",
      "heading_path": [
        "Top",
        "Section B"
      ],
      "source_span": {
        "kind": "line",
        "start": 15,
        "end": 15
      },
      "payload": {
        "kind": "paragraph",
        "text": "body of B",
        "inlines": [
          {
            "kind": "text",
            "text": "body of B"
          }
        ]
      }
    }
  ],
  "warnings": []
}
