{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$ref": "#/$defs/docNode",
  "$defs": {
    "docNode": {
      "type": "object",
      "required": ["type", "content"],
      "properties": {
        "type": { "const": "doc" },
        "attrs": { "type": "object" },
        "content": {
          "type": "array",
          "items": { "$ref": "#/$defs/node" }
        }
      },
      "additionalProperties": false
    },
    "node": {
      "type": "object",
      "required": ["type"],
      "properties": {
        "type": { "type": "string" },
        "attrs": { "type": "object" },
        "content": {
          "type": "array",
          "items": { "$ref": "#/$defs/node" }
        },
        "marks": {
          "type": "array",
          "items": { "$ref": "#/$defs/mark" }
        },
        "text": { "type": "string" }
      },
      "allOf": [
        {
          "if": { "properties": { "type": { "const": "text" } } },
          "then": {
            "required": ["text"],
            "not": { "required": ["content"] }
          },
          "else": {
            "not": { "required": ["text"] }
          }
        }
      ],
      "additionalProperties": false
    },
    "mark": {
      "type": "object",
      "required": ["type"],
      "properties": {
        "type": { "type": "string" },
        "attrs": { "type": "object" }
      },
      "additionalProperties": false
    }
  }
}