{
  "type": "Program",
  "statements": [
    {
      "type": "FunctionDeclaration",
      "function": {
        "type": "ScriptFunction",
        "id": {
          "type": "Identifier",
          "name": "foo",
          "decorators": [],
          "loc": {
            "start": {
              "line": 17,
              "column": 10
            },
            "end": {
              "line": 17,
              "column": 13
            }
          }
        },
        "generator": false,
        "async": false,
        "expression": false,
        "params": [
          {
            "type": "AssignmentPattern",
            "left": {
              "type": "ObjectPattern",
              "properties": [
                {
                  "type": "Property",
                  "method": false,
                  "shorthand": true,
                  "computed": false,
                  "key": {
                    "type": "Identifier",
                    "name": "x",
                    "decorators": [],
                    "loc": {
                      "start": {
                        "line": 17,
                        "column": 16
                      },
                      "end": {
                        "line": 17,
                        "column": 17
                      }
                    }
                  },
                  "value": {
                    "type": "AssignmentPattern",
                    "left": {
                      "type": "Identifier",
                      "name": "x",
                      "decorators": [],
                      "loc": {
                        "start": {
                          "line": 17,
                          "column": 16
                        },
                        "end": {
                          "line": 17,
                          "column": 17
                        }
                      }
                    },
                    "right": {
                      "type": "NumberLiteral",
                      "value": 6,
                      "loc": {
                        "start": {
                          "line": 17,
                          "column": 20
                        },
                        "end": {
                          "line": 17,
                          "column": 21
                        }
                      }
                    },
                    "loc": {
                      "start": {
                        "line": 17,
                        "column": 16
                      },
                      "end": {
                        "line": 17,
                        "column": 21
                      }
                    }
                  },
                  "kind": "init",
                  "loc": {
                    "start": {
                      "line": 17,
                      "column": 16
                    },
                    "end": {
                      "line": 17,
                      "column": 21
                    }
                  }
                },
                {
                  "type": "Property",
                  "method": false,
                  "shorthand": true,
                  "computed": false,
                  "key": {
                    "type": "Identifier",
                    "name": "y",
                    "decorators": [],
                    "loc": {
                      "start": {
                        "line": 17,
                        "column": 23
                      },
                      "end": {
                        "line": 17,
                        "column": 24
                      }
                    }
                  },
                  "value": {
                    "type": "AssignmentPattern",
                    "left": {
                      "type": "Identifier",
                      "name": "y",
                      "decorators": [],
                      "loc": {
                        "start": {
                          "line": 17,
                          "column": 23
                        },
                        "end": {
                          "line": 17,
                          "column": 24
                        }
                      }
                    },
                    "right": {
                      "type": "StringLiteral",
                      "value": "foo",
                      "loc": {
                        "start": {
                          "line": 17,
                          "column": 27
                        },
                        "end": {
                          "line": 17,
                          "column": 32
                        }
                      }
                    },
                    "loc": {
                      "start": {
                        "line": 17,
                        "column": 23
                      },
                      "end": {
                        "line": 17,
                        "column": 32
                      }
                    }
                  },
                  "kind": "init",
                  "loc": {
                    "start": {
                      "line": 17,
                      "column": 23
                    },
                    "end": {
                      "line": 17,
                      "column": 32
                    }
                  }
                }
              ],
              "loc": {
                "start": {
                  "line": 17,
                  "column": 14
                },
                "end": {
                  "line": 17,
                  "column": 34
                }
              }
            },
            "right": {
              "type": "ObjectExpression",
              "properties": [
                {
                  "type": "Property",
                  "method": false,
                  "shorthand": false,
                  "computed": false,
                  "key": {
                    "type": "Identifier",
                    "name": "x",
                    "decorators": [],
                    "loc": {
                      "start": {
                        "line": 17,
                        "column": 39
                      },
                      "end": {
                        "line": 17,
                        "column": 40
                      }
                    }
                  },
                  "value": {
                    "type": "StringLiteral",
                    "value": "foo",
                    "loc": {
                      "start": {
                        "line": 17,
                        "column": 42
                      },
                      "end": {
                        "line": 17,
                        "column": 47
                      }
                    }
                  },
                  "kind": "init",
                  "loc": {
                    "start": {
                      "line": 17,
                      "column": 39
                    },
                    "end": {
                      "line": 17,
                      "column": 47
                    }
                  }
                }
              ],
              "loc": {
                "start": {
                  "line": 17,
                  "column": 37
                },
                "end": {
                  "line": 17,
                  "column": 49
                }
              }
            },
            "loc": {
              "start": {
                "line": 17,
                "column": 14
              },
              "end": {
                "line": 17,
                "column": 49
              }
            }
          }
        ],
        "body": {
          "type": "BlockStatement",
          "statements": [],
          "loc": {
            "start": {
              "line": 17,
              "column": 51
            },
            "end": {
              "line": 19,
              "column": 2
            }
          }
        },
        "loc": {
          "start": {
            "line": 17,
            "column": 1
          },
          "end": {
            "line": 19,
            "column": 2
          }
        }
      },
      "loc": {
        "start": {
          "line": 17,
          "column": 1
        },
        "end": {
          "line": 19,
          "column": 2
        }
      }
    },
    {
      "type": "ExpressionStatement",
      "expression": {
        "type": "BinaryExpression",
        "operator": "+",
        "left": {
          "type": "Identifier",
          "name": "foo",
          "decorators": [],
          "loc": {
            "start": {
              "line": 21,
              "column": 1
            },
            "end": {
              "line": 21,
              "column": 4
            }
          }
        },
        "right": {
          "type": "NumberLiteral",
          "value": 5,
          "loc": {
            "start": {
              "line": 21,
              "column": 7
            },
            "end": {
              "line": 21,
              "column": 8
            }
          }
        },
        "loc": {
          "start": {
            "line": 21,
            "column": 1
          },
          "end": {
            "line": 21,
            "column": 8
          }
        }
      },
      "loc": {
        "start": {
          "line": 21,
          "column": 1
        },
        "end": {
          "line": 21,
          "column": 9
        }
      }
    }
  ],
  "loc": {
    "start": {
      "line": 1,
      "column": 1
    },
    "end": {
      "line": 21,
      "column": 9
    }
  }
}
TypeError: operator + cannot be applied to types ({ x, y }?: { x?: string; y?: string; }) => void and number [functionWithPattern2.ts:21:1]