{
  "type": "Script",
  "span": {
    "start": 0,
    "end": 73,
    "ctxt": 0
  },
  "body": [
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 17,
          "end": 18,
          "ctxt": 0
        },
        "value": "f",
        "optional": false
      },
      "declare": true,
      "params": [
        {
          "type": "Parameter",
          "span": {
            "start": 19,
            "end": 27,
            "ctxt": 0
          },
          "decorators": [],
          "pat": {
            "type": "Identifier",
            "span": {
              "start": 19,
              "end": 27,
              "ctxt": 0
            },
            "value": "x",
            "optional": true,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 21,
                "end": 27,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsLiteralType",
                "span": {
                  "start": 23,
                  "end": 27,
                  "ctxt": 0
                },
                "literal": {
                  "type": "StringLiteral",
                  "span": {
                    "start": 23,
                    "end": 27,
                    "ctxt": 0
                  },
                  "value": "hi",
                  "raw": "\"hi\""
                }
              }
            }
          }
        }
      ],
      "decorators": [],
      "span": {
        "start": 0,
        "end": 35,
        "ctxt": 0
      },
      "body": null,
      "generator": false,
      "async": false,
      "typeParameters": null,
      "returnType": {
        "type": "TsTypeAnnotation",
        "span": {
          "start": 28,
          "end": 34,
          "ctxt": 0
        },
        "typeAnnotation": {
          "type": "TsKeywordType",
          "span": {
            "start": 30,
            "end": 34,
            "ctxt": 0
          },
          "kind": "void"
        }
      }
    },
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 53,
          "end": 54,
          "ctxt": 0
        },
        "value": "f",
        "optional": false
      },
      "declare": true,
      "params": [
        {
          "type": "Parameter",
          "span": {
            "start": 55,
            "end": 65,
            "ctxt": 0
          },
          "decorators": [],
          "pat": {
            "type": "Identifier",
            "span": {
              "start": 55,
              "end": 65,
              "ctxt": 0
            },
            "value": "x",
            "optional": true,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 57,
                "end": 65,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 59,
                  "end": 65,
                  "ctxt": 0
                },
                "kind": "string"
              }
            }
          }
        }
      ],
      "decorators": [],
      "span": {
        "start": 36,
        "end": 73,
        "ctxt": 0
      },
      "body": null,
      "generator": false,
      "async": false,
      "typeParameters": null,
      "returnType": {
        "type": "TsTypeAnnotation",
        "span": {
          "start": 66,
          "end": 72,
          "ctxt": 0
        },
        "typeAnnotation": {
          "type": "TsKeywordType",
          "span": {
            "start": 68,
            "end": 72,
            "ctxt": 0
          },
          "kind": "void"
        }
      }
    }
  ],
  "interpreter": null
}