[
  {
    "type": "identifier",
    "value": "this"
  },
  {
    "type": "punctuator",
    "value": "."
  },
  {
    "type": "identifier",
    "value": "foo"
  },
  {
    "type": "punctuator",
    "value": "("
  },
  {
    "type": "identifier",
    "value": "req"
  },
  {
    "type": "punctuator",
    "value": ","
  },
  {
    "type": "identifier",
    "value": "res"
  },
  {
    "type": "punctuator",
    "value": ")"
  },
  {
    "type": "indention",
    "value": 1
  },
  {
    "type": "punctuator",
    "value": "."
  },
  {
    "type": "identifier",
    "value": "call"
  },
  {
    "type": "punctuator",
    "value": "("
  },
  {
    "type": "punctuator",
    "value": ")"
  },
  {
    "type": "indention",
    "value": 0
  }
]