[
  {
    "expression": {
      "endPosition": "4",
      "kind": "NUMBER_LITERAL",
      "value": "1",
      "startPosition": "3"
    },
    "endPosition": "4",
    "kind": "UNARY_PLUS",
    "startPosition": "2"
  },
  {
    "expression": {
      "endPosition": "9",
      "kind": "NUMBER_LITERAL",
      "value": "1",
      "startPosition": "8"
    },
    "endPosition": "9",
    "kind": "UNARY_MINUS",
    "startPosition": "7"
  }
]