{
  "type": "Script",
  "span": {
    "start": 24,
    "end": 108,
    "ctxt": 0
  },
  "body": [
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 41,
          "end": 44,
          "ctxt": 0
        },
        "value": "foo",
        "optional": false
      },
      "declare": true,
      "params": [
        {
          "type": "Parameter",
          "span": {
            "start": 62,
            "end": 66,
            "ctxt": 0
          },
          "decorators": [],
          "pat": {
            "type": "Identifier",
            "span": {
              "start": 62,
              "end": 66,
              "ctxt": 0
            },
            "value": "x",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 63,
                "end": 66,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 65,
                  "end": 66,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 65,
                    "end": 66,
                    "ctxt": 0
                  },
                  "value": "T",
                  "optional": false
                },
                "typeParams": null
              }
            }
          }
        }
      ],
      "decorators": [],
      "span": {
        "start": 24,
        "end": 71,
        "ctxt": 0
      },
      "body": null,
      "generator": false,
      "async": false,
      "typeParameters": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 44,
          "end": 61,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 45,
              "end": 60,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 45,
                "end": 46,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "in": false,
            "out": false,
            "const": false,
            "constraint": {
              "type": "TsTupleType",
              "span": {
                "start": 55,
                "end": 60,
                "ctxt": 0
              },
              "elemTypes": [
                {
                  "type": "TsTupleElement",
                  "span": {
                    "start": 56,
                    "end": 59,
                    "ctxt": 0
                  },
                  "label": null,
                  "ty": {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 56,
                      "end": 59,
                      "ctxt": 0
                    },
                    "kind": "any"
                  }
                }
              ]
            },
            "default": null
          }
        ]
      },
      "returnType": {
        "type": "TsTypeAnnotation",
        "span": {
          "start": 67,
          "end": 70,
          "ctxt": 0
        },
        "typeAnnotation": {
          "type": "TsTypeReference",
          "span": {
            "start": 69,
            "end": 70,
            "ctxt": 0
          },
          "typeName": {
            "type": "Identifier",
            "span": {
              "start": 69,
              "end": 70,
              "ctxt": 0
            },
            "value": "T",
            "optional": false
          },
          "typeParams": null
        }
      }
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 73,
        "end": 98,
        "ctxt": 0
      },
      "kind": "var",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 77,
            "end": 97,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 77,
              "end": 78,
              "ctxt": 0
            },
            "value": "y",
            "optional": false,
            "typeAnnotation": null
          },
          "init": {
            "type": "CallExpression",
            "span": {
              "start": 81,
              "end": 97,
              "ctxt": 0
            },
            "callee": {
              "type": "Identifier",
              "span": {
                "start": 81,
                "end": 84,
                "ctxt": 0
              },
              "value": "foo",
              "optional": false
            },
            "arguments": [
              {
                "spread": null,
                "expression": {
                  "type": "ArrayExpression",
                  "span": {
                    "start": 85,
                    "end": 96,
                    "ctxt": 0
                  },
                  "elements": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "Identifier",
                        "span": {
                          "start": 86,
                          "end": 95,
                          "ctxt": 0
                        },
                        "value": "undefined",
                        "optional": false
                      }
                    }
                  ]
                }
              }
            ],
            "typeArguments": null
          },
          "definite": false
        }
      ]
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 99,
        "end": 108,
        "ctxt": 0
      },
      "expression": {
        "type": "AssignmentExpression",
        "span": {
          "start": 99,
          "end": 107,
          "ctxt": 0
        },
        "operator": "=",
        "left": {
          "type": "Identifier",
          "span": {
            "start": 99,
            "end": 100,
            "ctxt": 0
          },
          "value": "y",
          "optional": false,
          "typeAnnotation": null
        },
        "right": {
          "type": "ArrayExpression",
          "span": {
            "start": 103,
            "end": 107,
            "ctxt": 0
          },
          "elements": [
            {
              "spread": null,
              "expression": {
                "type": "StringLiteral",
                "span": {
                  "start": 104,
                  "end": 106,
                  "ctxt": 0
                },
                "value": "",
                "raw": "\"\""
              }
            }
          ]
        }
      }
    }
  ],
  "interpreter": null
}