{
  "type": "File",
  "start":0,"end":36,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":36}},
  "program": {
    "type": "Program",
    "start":0,"end":36,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":36}},
    "sourceType": "script",
    "interpreter": null,
    "body": [
      {
        "type": "ExpressionStatement",
        "start":0,"end":36,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":36}},
        "expression": {
          "type": "CallExpression",
          "start":0,"end":36,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":36}},
          "callee": {
            "type": "Identifier",
            "start":0,"end":1,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":1},"identifierName":"f"},
            "name": "f"
          },
          "arguments": [
            {
              "type": "Identifier",
              "start":2,"end":3,"loc":{"start":{"line":1,"column":2},"end":{"line":1,"column":3},"identifierName":"a"},
              "name": "a"
            },
            {
              "type": "ArrowFunctionExpression",
              "start":5,"end":35,"loc":{"start":{"line":1,"column":5},"end":{"line":1,"column":35}},
              "id": null,
              "generator": false,
              "async": true,
              "params": [
                {
                  "type": "Identifier",
                  "start":11,"end":18,"loc":{"start":{"line":1,"column":11},"end":{"line":1,"column":18},"identifierName":"promise"},
                  "name": "promise"
                }
              ],
              "body": {
                "type": "AwaitExpression",
                "start":22,"end":35,"loc":{"start":{"line":1,"column":22},"end":{"line":1,"column":35}},
                "argument": {
                  "type": "Identifier",
                  "start":28,"end":35,"loc":{"start":{"line":1,"column":28},"end":{"line":1,"column":35},"identifierName":"promise"},
                  "name": "promise"
                }
              }
            }
          ]
        }
      }
    ],
    "directives": []
  }
}