[
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    "type": "_declaration_statement",
    "named": true,
    "subtypes": [
      {
        "type": "let_declaration",
        "named": true
      }
    ]
  },
  {
    "type": "_expression",
    "named": true,
    "subtypes": [
      {
        "type": "_literal",
        "named": true
      },
      {
        "type": "assignment_expression",
        "named": true
      },
      {
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        "named": true
      }
    ]
  },
  {
    "type": "_literal",
    "named": true,
    "subtypes": [
      {
        "type": "integer_literal",
        "named": true
      },
      {
        "type": "raw_string_literal",
        "named": true
      },
      {
        "type": "string_literal",
        "named": true
      }
    ]
  },
  {
    "type": "_literal_pattern",
    "named": true,
    "subtypes": [
      {
        "type": "integer_literal",
        "named": true
      },
      {
        "type": "raw_string_literal",
        "named": true
      },
      {
        "type": "string_literal",
        "named": true
      }
    ]
  },
  {
    "type": "_pattern",
    "named": true,
    "subtypes": [
      {
        "type": "_",
        "named": false
      },
      {
        "type": "_literal_pattern",
        "named": true
      },
      {
        "type": "identifier",
        "named": true
      }
    ]
  },
  {
    "type": "assignment_expression",
    "named": true,
    "fields": {
      "left": {
        "multiple": false,
        "required": true,
        "types": [
          {
            "type": "_expression",
            "named": true
          }
        ]
      },
      "right": {
        "multiple": false,
        "required": true,
        "types": [
          {
            "type": "_expression",
            "named": true
          }
        ]
      }
    }
  },
  {
    "type": "expression_statement",
    "named": true,
    "fields": {},
    "children": {
      "multiple": false,
      "required": true,
      "types": [
        {
          "type": "_expression",
          "named": true
        }
      ]
    }
  },
  {
    "type": "let_declaration",
    "named": true,
    "fields": {
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        "multiple": false,
        "required": true,
        "types": [
          {
            "type": "_pattern",
            "named": true
          }
        ]
      },
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        "required": false,
        "types": [
          {
            "type": "_expression",
            "named": true
          }
        ]
      }
    }
  },
  {
    "type": "source_file",
    "named": true,
    "fields": {},
    "children": {
      "multiple": true,
      "required": false,
      "types": [
        {
          "type": "_declaration_statement",
          "named": true
        },
        {
          "type": "expression_statement",
          "named": true
        }
      ]
    }
  },
  {
    "type": "string_literal",
    "named": true,
    "fields": {},
    "children": {
      "multiple": true,
      "required": false,
      "types": [
        {
          "type": "escape_sequence",
          "named": true
        }
      ]
    }
  },
  {
    "type": "\"",
    "named": false
  },
  {
    "type": ";",
    "named": false
  },
  {
    "type": "=",
    "named": false
  },
  {
    "type": "_",
    "named": false
  },
  {
    "type": "escape_sequence",
    "named": true
  },
  {
    "type": "identifier",
    "named": true
  },
  {
    "type": "integer_literal",
    "named": true
  },
  {
    "type": "let",
    "named": false
  },
  {
    "type": "raw_string_literal",
    "named": true
  }
]