[
  {
    "type": "identifier",
    "value": "class"
  },
  {
    "type": "identifier",
    "value": "HelloWorld"
  },
  {
    "type": "indention",
    "value": 2
  },
  {
    "type": "identifier",
    "value": "constructor"
  },
  {
    "type": "punctuator",
    "value": "("
  },
  {
    "type": "identifier",
    "value": "msg"
  },
  {
    "type": "punctuator",
    "value": ")"
  },
  {
    "type": "indention",
    "value": 4
  },
  {
    "type": "identifier",
    "value": "this"
  },
  {
    "type": "punctuator",
    "value": "."
  },
  {
    "type": "identifier",
    "value": "greeting"
  },
  {
    "type": "operator",
    "value": "="
  },
  {
    "type": "identifier",
    "value": "msg"
  },
  {
    "type": "indention",
    "value": 2
  },
  {
    "type": "identifier",
    "value": "print"
  },
  {
    "type": "punctuator",
    "value": "("
  },
  {
    "type": "punctuator",
    "value": ")"
  },
  {
    "type": "indention",
    "value": 4
  },
  {
    "type": "identifier",
    "value": "log"
  },
  {
    "type": "template",
    "value": "'Hello ${"
  },
  {
    "type": "identifier",
    "value": "this"
  },
  {
    "type": "punctuator",
    "value": "."
  },
  {
    "type": "identifier",
    "value": "greeting"
  },
  {
    "type": "template",
    "value": "}'"
  },
  {
    "type": "indention",
    "value": 0
  }
]