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1{
2  "type": "Program",
3  "statements": [
4    {
5      "type": "VariableDeclaration",
6      "declarations": [
7        {
8          "type": "VariableDeclarator",
9          "id": {
10            "type": "Identifier",
11            "name": "a",
12            "typeAnnotation": {
13              "type": "TSTypeLiteral",
14              "members": [
15                {
16                  "type": "TSPropertySignature",
17                  "computed": false,
18                  "optional": false,
19                  "readonly": false,
20                  "key": {
21                    "type": "Identifier",
22                    "name": "b",
23                    "decorators": [],
24                    "loc": {
25                      "start": {
26                        "line": 17,
27                        "column": 10
28                      },
29                      "end": {
30                        "line": 17,
31                        "column": 11
32                      }
33                    }
34                  },
35                  "typeAnnotation": {
36                    "type": "TSTypeLiteral",
37                    "members": [
38                      {
39                        "type": "TSPropertySignature",
40                        "computed": false,
41                        "optional": false,
42                        "readonly": false,
43                        "key": {
44                          "type": "Identifier",
45                          "name": "c",
46                          "decorators": [],
47                          "loc": {
48                            "start": {
49                              "line": 17,
50                              "column": 15
51                            },
52                            "end": {
53                              "line": 17,
54                              "column": 16
55                            }
56                          }
57                        },
58                        "typeAnnotation": {
59                          "type": "TSTupleType",
60                          "elementTypes": [
61                            {
62                              "type": "TSNumberKeyword",
63                              "loc": {
64                                "start": {
65                                  "line": 17,
66                                  "column": 19
67                                },
68                                "end": {
69                                  "line": 17,
70                                  "column": 26
71                                }
72                              }
73                            },
74                            {
75                              "type": "TSNumberKeyword",
76                              "loc": {
77                                "start": {
78                                  "line": 17,
79                                  "column": 27
80                                },
81                                "end": {
82                                  "line": 17,
83                                  "column": 34
84                                }
85                              }
86                            }
87                          ],
88                          "loc": {
89                            "start": {
90                              "line": 17,
91                              "column": 18
92                            },
93                            "end": {
94                              "line": 17,
95                              "column": 34
96                            }
97                          }
98                        },
99                        "loc": {
100                          "start": {
101                            "line": 17,
102                            "column": 15
103                          },
104                          "end": {
105                            "line": 17,
106                            "column": 36
107                          }
108                        }
109                      }
110                    ],
111                    "loc": {
112                      "start": {
113                        "line": 17,
114                        "column": 13
115                      },
116                      "end": {
117                        "line": 17,
118                        "column": 36
119                      }
120                    }
121                  },
122                  "loc": {
123                    "start": {
124                      "line": 17,
125                      "column": 10
126                    },
127                    "end": {
128                      "line": 17,
129                      "column": 38
130                    }
131                  }
132                }
133              ],
134              "loc": {
135                "start": {
136                  "line": 17,
137                  "column": 8
138                },
139                "end": {
140                  "line": 17,
141                  "column": 38
142                }
143              }
144            },
145            "decorators": [],
146            "loc": {
147              "start": {
148                "line": 17,
149                "column": 5
150              },
151              "end": {
152                "line": 17,
153                "column": 6
154              }
155            }
156          },
157          "init": null,
158          "loc": {
159            "start": {
160              "line": 17,
161              "column": 5
162            },
163            "end": {
164              "line": 17,
165              "column": 6
166            }
167          }
168        }
169      ],
170      "kind": "var",
171      "loc": {
172        "start": {
173          "line": 17,
174          "column": 1
175        },
176        "end": {
177          "line": 17,
178          "column": 39
179        }
180      }
181    },
182    {
183      "type": "VariableDeclaration",
184      "declarations": [
185        {
186          "type": "VariableDeclarator",
187          "id": {
188            "type": "ObjectPattern",
189            "properties": [
190              {
191                "type": "Property",
192                "method": false,
193                "shorthand": false,
194                "computed": false,
195                "key": {
196                  "type": "Identifier",
197                  "name": "b",
198                  "decorators": [],
199                  "loc": {
200                    "start": {
201                      "line": 18,
202                      "column": 7
203                    },
204                    "end": {
205                      "line": 18,
206                      "column": 8
207                    }
208                  }
209                },
210                "value": {
211                  "type": "ObjectPattern",
212                  "properties": [
213                    {
214                      "type": "Property",
215                      "method": false,
216                      "shorthand": false,
217                      "computed": false,
218                      "key": {
219                        "type": "Identifier",
220                        "name": "c",
221                        "decorators": [],
222                        "loc": {
223                          "start": {
224                            "line": 18,
225                            "column": 12
226                          },
227                          "end": {
228                            "line": 18,
229                            "column": 13
230                          }
231                        }
232                      },
233                      "value": {
234                        "type": "ArrayPattern",
235                        "elements": [
236                          {
237                            "type": "Identifier",
238                            "name": "a",
239                            "decorators": [],
240                            "loc": {
241                              "start": {
242                                "line": 18,
243                                "column": 16
244                              },
245                              "end": {
246                                "line": 18,
247                                "column": 17
248                              }
249                            }
250                          },
251                          {
252                            "type": "Identifier",
253                            "name": "b",
254                            "decorators": [],
255                            "loc": {
256                              "start": {
257                                "line": 18,
258                                "column": 19
259                              },
260                              "end": {
261                                "line": 18,
262                                "column": 20
263                              }
264                            }
265                          }
266                        ],
267                        "loc": {
268                          "start": {
269                            "line": 18,
270                            "column": 15
271                          },
272                          "end": {
273                            "line": 18,
274                            "column": 21
275                          }
276                        }
277                      },
278                      "kind": "init",
279                      "loc": {
280                        "start": {
281                          "line": 18,
282                          "column": 12
283                        },
284                        "end": {
285                          "line": 18,
286                          "column": 21
287                        }
288                      }
289                    }
290                  ],
291                  "loc": {
292                    "start": {
293                      "line": 18,
294                      "column": 10
295                    },
296                    "end": {
297                      "line": 18,
298                      "column": 23
299                    }
300                  }
301                },
302                "kind": "init",
303                "loc": {
304                  "start": {
305                    "line": 18,
306                    "column": 7
307                  },
308                  "end": {
309                    "line": 18,
310                    "column": 23
311                  }
312                }
313              }
314            ],
315            "loc": {
316              "start": {
317                "line": 18,
318                "column": 5
319              },
320              "end": {
321                "line": 18,
322                "column": 25
323              }
324            }
325          },
326          "init": {
327            "type": "Identifier",
328            "name": "a",
329            "decorators": [],
330            "loc": {
331              "start": {
332                "line": 18,
333                "column": 28
334              },
335              "end": {
336                "line": 18,
337                "column": 29
338              }
339            }
340          },
341          "loc": {
342            "start": {
343              "line": 18,
344              "column": 5
345            },
346            "end": {
347              "line": 18,
348              "column": 29
349            }
350          }
351        }
352      ],
353      "kind": "var",
354      "loc": {
355        "start": {
356          "line": 18,
357          "column": 1
358        },
359        "end": {
360          "line": 18,
361          "column": 30
362        }
363      }
364    }
365  ],
366  "loc": {
367    "start": {
368      "line": 1,
369      "column": 1
370    },
371    "end": {
372      "line": 18,
373      "column": 30
374    }
375  }
376}
377TypeError: Subsequent variable declaration must have the same type. Variable 'a' must be of type '{ b: { c: [number, number]; }; }', but here has type 'number'. [objectDestructuring23.ts:18:16]
378