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1{
2  "type": "Program",
3  "statements": [
4    {
5      "type": "FunctionDeclaration",
6      "function": {
7        "type": "ScriptFunction",
8        "id": {
9          "type": "Identifier",
10          "name": "func1",
11          "decorators": [],
12          "loc": {
13            "start": {
14              "line": 17,
15              "column": 10
16            },
17            "end": {
18              "line": 17,
19              "column": 15
20            }
21          }
22        },
23        "generator": false,
24        "async": false,
25        "expression": false,
26        "params": [
27          {
28            "type": "Identifier",
29            "name": "a",
30            "typeAnnotation": {
31              "type": "TSNumberKeyword",
32              "loc": {
33                "start": {
34                  "line": 17,
35                  "column": 20
36                },
37                "end": {
38                  "line": 17,
39                  "column": 26
40                }
41              }
42            },
43            "decorators": [],
44            "loc": {
45              "start": {
46                "line": 17,
47                "column": 16
48              },
49              "end": {
50                "line": 17,
51                "column": 17
52              }
53            }
54          }
55        ],
56        "returnType": {
57          "type": "TSVoidKeyword",
58          "loc": {
59            "start": {
60              "line": 17,
61              "column": 30
62            },
63            "end": {
64              "line": 17,
65              "column": 34
66            }
67          }
68        },
69        "body": {
70          "type": "BlockStatement",
71          "statements": [],
72          "loc": {
73            "start": {
74              "line": 17,
75              "column": 35
76            },
77            "end": {
78              "line": 19,
79              "column": 2
80            }
81          }
82        },
83        "loc": {
84          "start": {
85            "line": 17,
86            "column": 1
87          },
88          "end": {
89            "line": 19,
90            "column": 2
91          }
92        }
93      },
94      "loc": {
95        "start": {
96          "line": 17,
97          "column": 1
98        },
99        "end": {
100          "line": 19,
101          "column": 2
102        }
103      }
104    },
105    {
106      "type": "FunctionDeclaration",
107      "function": {
108        "type": "ScriptFunction",
109        "id": {
110          "type": "Identifier",
111          "name": "func2",
112          "decorators": [],
113          "loc": {
114            "start": {
115              "line": 21,
116              "column": 10
117            },
118            "end": {
119              "line": 21,
120              "column": 15
121            }
122          }
123        },
124        "generator": false,
125        "async": false,
126        "expression": false,
127        "params": [
128          {
129            "type": "Identifier",
130            "name": "a",
131            "typeAnnotation": {
132              "type": "TSNumberKeyword",
133              "loc": {
134                "start": {
135                  "line": 21,
136                  "column": 20
137                },
138                "end": {
139                  "line": 21,
140                  "column": 26
141                }
142              }
143            },
144            "decorators": [],
145            "loc": {
146              "start": {
147                "line": 21,
148                "column": 16
149              },
150              "end": {
151                "line": 21,
152                "column": 17
153              }
154            }
155          }
156        ],
157        "returnType": {
158          "type": "TSStringKeyword",
159          "loc": {
160            "start": {
161              "line": 21,
162              "column": 30
163            },
164            "end": {
165              "line": 21,
166              "column": 36
167            }
168          }
169        },
170        "body": {
171          "type": "BlockStatement",
172          "statements": [
173            {
174              "type": "ReturnStatement",
175              "argument": {
176                "type": "StringLiteral",
177                "value": "foo",
178                "loc": {
179                  "start": {
180                    "line": 22,
181                    "column": 12
182                  },
183                  "end": {
184                    "line": 22,
185                    "column": 17
186                  }
187                }
188              },
189              "loc": {
190                "start": {
191                  "line": 22,
192                  "column": 5
193                },
194                "end": {
195                  "line": 22,
196                  "column": 18
197                }
198              }
199            }
200          ],
201          "loc": {
202            "start": {
203              "line": 21,
204              "column": 36
205            },
206            "end": {
207              "line": 23,
208              "column": 2
209            }
210          }
211        },
212        "loc": {
213          "start": {
214            "line": 21,
215            "column": 1
216          },
217          "end": {
218            "line": 23,
219            "column": 2
220          }
221        }
222      },
223      "loc": {
224        "start": {
225          "line": 21,
226          "column": 1
227        },
228        "end": {
229          "line": 23,
230          "column": 2
231        }
232      }
233    },
234    {
235      "type": "ExpressionStatement",
236      "expression": {
237        "type": "CallExpression",
238        "callee": {
239          "type": "Identifier",
240          "name": "func1",
241          "decorators": [],
242          "loc": {
243            "start": {
244              "line": 24,
245              "column": 1
246            },
247            "end": {
248              "line": 24,
249              "column": 6
250            }
251          }
252        },
253        "arguments": [
254          {
255            "type": "CallExpression",
256            "callee": {
257              "type": "Identifier",
258              "name": "func2",
259              "decorators": [],
260              "loc": {
261                "start": {
262                  "line": 24,
263                  "column": 7
264                },
265                "end": {
266                  "line": 24,
267                  "column": 12
268                }
269              }
270            },
271            "arguments": [
272              {
273                "type": "NumberLiteral",
274                "value": 5,
275                "loc": {
276                  "start": {
277                    "line": 24,
278                    "column": 13
279                  },
280                  "end": {
281                    "line": 24,
282                    "column": 14
283                  }
284                }
285              }
286            ],
287            "optional": false,
288            "loc": {
289              "start": {
290                "line": 24,
291                "column": 7
292              },
293              "end": {
294                "line": 24,
295                "column": 15
296              }
297            }
298          }
299        ],
300        "optional": false,
301        "loc": {
302          "start": {
303            "line": 24,
304            "column": 1
305          },
306          "end": {
307            "line": 24,
308            "column": 16
309          }
310        }
311      },
312      "loc": {
313        "start": {
314          "line": 24,
315          "column": 1
316        },
317        "end": {
318          "line": 24,
319          "column": 17
320        }
321      }
322    }
323  ],
324  "loc": {
325    "start": {
326      "line": 1,
327      "column": 1
328    },
329    "end": {
330      "line": 24,
331      "column": 17
332    }
333  }
334}
335TypeError: Type 'string' is not assignable to type 'number'. [functionCall_2.ts:24:7]
336