{
  "type": "Program",
  "statements": [
    {
      "type": "VariableDeclaration",
      "declarations": [
        {
          "type": "VariableDeclarator",
          "id": {
            "type": "Identifier",
            "name": "a",
            "typeAnnotation": {
              "type": "TSTypeLiteral",
              "members": [
                {
                  "type": "TSPropertySignature",
                  "computed": false,
                  "optional": false,
                  "readonly": false,
                  "key": {
                    "type": "Identifier",
                    "name": "a",
                    "decorators": [],
                    "loc": {
                      "start": {
                        "line": 17,
                        "column": 10
                      },
                      "end": {
                        "line": 17,
                        "column": 11
                      }
                    }
                  },
                  "typeAnnotation": {
                    "type": "TSTypeLiteral",
                    "members": [
                      {
                        "type": "TSPropertySignature",
                        "computed": false,
                        "optional": false,
                        "readonly": false,
                        "key": {
                          "type": "Identifier",
                          "name": "a",
                          "decorators": [],
                          "loc": {
                            "start": {
                              "line": 17,
                              "column": 15
                            },
                            "end": {
                              "line": 17,
                              "column": 16
                            }
                          }
                        },
                        "typeAnnotation": {
                          "type": "TSNumberKeyword",
                          "loc": {
                            "start": {
                              "line": 17,
                              "column": 18
                            },
                            "end": {
                              "line": 17,
                              "column": 24
                            }
                          }
                        },
                        "loc": {
                          "start": {
                            "line": 17,
                            "column": 15
                          },
                          "end": {
                            "line": 17,
                            "column": 25
                          }
                        }
                      },
                      {
                        "type": "TSPropertySignature",
                        "computed": false,
                        "optional": false,
                        "readonly": false,
                        "key": {
                          "type": "Identifier",
                          "name": "b",
                          "decorators": [],
                          "loc": {
                            "start": {
                              "line": 17,
                              "column": 26
                            },
                            "end": {
                              "line": 17,
                              "column": 27
                            }
                          }
                        },
                        "typeAnnotation": {
                          "type": "TSStringKeyword",
                          "loc": {
                            "start": {
                              "line": 17,
                              "column": 29
                            },
                            "end": {
                              "line": 17,
                              "column": 35
                            }
                          }
                        },
                        "loc": {
                          "start": {
                            "line": 17,
                            "column": 26
                          },
                          "end": {
                            "line": 17,
                            "column": 37
                          }
                        }
                      }
                    ],
                    "loc": {
                      "start": {
                        "line": 17,
                        "column": 13
                      },
                      "end": {
                        "line": 17,
                        "column": 37
                      }
                    }
                  },
                  "loc": {
                    "start": {
                      "line": 17,
                      "column": 10
                    },
                    "end": {
                      "line": 17,
                      "column": 39
                    }
                  }
                }
              ],
              "loc": {
                "start": {
                  "line": 17,
                  "column": 8
                },
                "end": {
                  "line": 17,
                  "column": 39
                }
              }
            },
            "decorators": [],
            "loc": {
              "start": {
                "line": 17,
                "column": 5
              },
              "end": {
                "line": 17,
                "column": 6
              }
            }
          },
          "init": {
            "type": "ObjectExpression",
            "properties": [
              {
                "type": "Property",
                "method": false,
                "shorthand": false,
                "computed": false,
                "key": {
                  "type": "Identifier",
                  "name": "a",
                  "decorators": [],
                  "loc": {
                    "start": {
                      "line": 17,
                      "column": 44
                    },
                    "end": {
                      "line": 17,
                      "column": 45
                    }
                  }
                },
                "value": {
                  "type": "NumberLiteral",
                  "value": 5,
                  "loc": {
                    "start": {
                      "line": 17,
                      "column": 47
                    },
                    "end": {
                      "line": 17,
                      "column": 48
                    }
                  }
                },
                "kind": "init",
                "loc": {
                  "start": {
                    "line": 17,
                    "column": 44
                  },
                  "end": {
                    "line": 17,
                    "column": 48
                  }
                }
              }
            ],
            "loc": {
              "start": {
                "line": 17,
                "column": 42
              },
              "end": {
                "line": 17,
                "column": 50
              }
            }
          },
          "loc": {
            "start": {
              "line": 17,
              "column": 5
            },
            "end": {
              "line": 17,
              "column": 50
            }
          }
        }
      ],
      "kind": "var",
      "loc": {
        "start": {
          "line": 17,
          "column": 1
        },
        "end": {
          "line": 17,
          "column": 51
        }
      }
    }
  ],
  "loc": {
    "start": {
      "line": 1,
      "column": 1
    },
    "end": {
      "line": 17,
      "column": 51
    }
  }
}
TypeError: Type 'number' is not assignable to type '{ a: number; b: string; }'. [objectLiteralAssignability9.ts:17:44]