{
  "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": [],
        "returnType": {
          "type": "TSNeverKeyword",
          "loc": {
            "start": {
              "line": 17,
              "column": 17
            },
            "end": {
              "line": 17,
              "column": 22
            }
          }
        },
        "body": {
          "type": "BlockStatement",
          "statements": [],
          "loc": {
            "start": {
              "line": 17,
              "column": 23
            },
            "end": {
              "line": 18,
              "column": 2
            }
          }
        },
        "loc": {
          "start": {
            "line": 17,
            "column": 1
          },
          "end": {
            "line": 18,
            "column": 2
          }
        }
      },
      "loc": {
        "start": {
          "line": 17,
          "column": 1
        },
        "end": {
          "line": 18,
          "column": 2
        }
      }
    }
  ],
  "loc": {
    "start": {
      "line": 1,
      "column": 1
    },
    "end": {
      "line": 19,
      "column": 1
    }
  }
}
TypeError: A function returning 'never' cannot have a reachable end point. [function_declaration_11.ts:17:17]