{
  "kind": "SourceFile",
  "layout": [
    null,
    {
      "kind": "CodeBlockItemList",
      "layout": [
        {
          "kind": "CodeBlockItem",
          "layout": [
            null,
            {
              "kind": "ClassDecl",
              "layout": [
                null,
                null,
                null,
                {
                  "kind": "ModifierList",
                  "layout": [
                    {
                      "kind": "DeclModifier",
                      "layout": [
                        null,
                        {
                          "tokenKind": {
                            "kind": "contextual_keyword",
                            "text": "final"
                          },
                          "leadingTrivia": "\/\/ RUN: %swift-syntax-test -input-source-filename %s -serialize-raw-tree > %t\n\/\/ RUN: diff %t %S\/Inputs\/serialize_class_decl.json -u\n\n",
                          "trailingTrivia": " ",
                          "presence": "Present"
                        },
                        null,
                        null,
                        null
                      ],
                      "presence": "Present"
                    }
                  ],
                  "presence": "Present"
                },
                null,
                {
                  "tokenKind": {
                    "kind": "kw_class"
                  },
                  "leadingTrivia": "",
                  "trailingTrivia": " ",
                  "presence": "Present"
                },
                null,
                {
                  "tokenKind": {
                    "kind": "identifier",
                    "text": "Foo"
                  },
                  "leadingTrivia": "",
                  "trailingTrivia": " ",
                  "presence": "Present"
                },
                null,
                null,
                null,
                null,
                null,
                null,
                null,
                {
                  "kind": "MemberDeclBlock",
                  "layout": [
                    null,
                    {
                      "tokenKind": {
                        "kind": "l_brace"
                      },
                      "leadingTrivia": "",
                      "trailingTrivia": "",
                      "presence": "Present"
                    },
                    null,
                    {
                      "kind": "MemberDeclList",
                      "layout": [],
                      "presence": "Present"
                    },
                    null,
                    {
                      "tokenKind": {
                        "kind": "r_brace"
                      },
                      "leadingTrivia": "",
                      "trailingTrivia": "",
                      "presence": "Present"
                    },
                    null
                  ],
                  "presence": "Present"
                },
                null
              ],
              "presence": "Present"
            },
            null,
            null,
            null,
            null,
            null
          ],
          "presence": "Present"
        }
      ],
      "presence": "Present"
    },
    null,
    {
      "tokenKind": {
        "kind": "eof",
        "text": ""
      },
      "leadingTrivia": "\n",
      "trailingTrivia": "",
      "presence": "Present"
    },
    null
  ],
  "presence": "Present"
}