{
  "type": "File",
  "start": 0,
  "end": 102,
  "loc": {
    "start": {
      "line": 1,
      "column": 0
    },
    "end": {
      "line": 11,
      "column": 1
    }
  },
  "program": {
    "type": "Program",
    "start": 0,
    "end": 102,
    "loc": {
      "start": {
        "line": 1,
        "column": 0
      },
      "end": {
        "line": 11,
        "column": 1
      }
    },
    "sourceType": "module",
    "interpreter": null,
    "body": [
      {
        "type": "DeclareClass",
        "start": 0,
        "end": 31,
        "loc": {
          "start": {
            "line": 1,
            "column": 0
          },
          "end": {
            "line": 3,
            "column": 1
          }
        },
        "id": {
          "type": "Identifier",
          "start": 14,
          "end": 15,
          "loc": {
            "start": {
              "line": 1,
              "column": 14
            },
            "end": {
              "line": 1,
              "column": 15
            },
            "identifierName": "A"
          },
          "name": "A"
        },
        "typeParameters": null,
        "extends": [],
        "implements": [],
        "mixins": [],
        "body": {
          "type": "ObjectTypeAnnotation",
          "start": 16,
          "end": 31,
          "loc": {
            "start": {
              "line": 1,
              "column": 16
            },
            "end": {
              "line": 3,
              "column": 1
            }
          },
          "callProperties": [],
          "properties": [
            {
              "type": "ObjectTypeProperty",
              "start": 20,
              "end": 28,
              "loc": {
                "start": {
                  "line": 2,
                  "column": 2
                },
                "end": {
                  "line": 2,
                  "column": 10
                }
              },
              "key": {
                "type": "Identifier",
                "start": 20,
                "end": 25,
                "loc": {
                  "start": {
                    "line": 2,
                    "column": 2
                  },
                  "end": {
                    "line": 2,
                    "column": 7
                  },
                  "identifierName": "proto"
                },
                "name": "proto"
              },
              "static": false,
              "proto": false,
              "kind": "init",
              "method": false,
              "value": {
                "type": "GenericTypeAnnotation",
                "start": 27,
                "end": 28,
                "loc": {
                  "start": {
                    "line": 2,
                    "column": 9
                  },
                  "end": {
                    "line": 2,
                    "column": 10
                  }
                },
                "typeParameters": null,
                "id": {
                  "type": "Identifier",
                  "start": 27,
                  "end": 28,
                  "loc": {
                    "start": {
                      "line": 2,
                      "column": 9
                    },
                    "end": {
                      "line": 2,
                      "column": 10
                    },
                    "identifierName": "T"
                  },
                  "name": "T"
                }
              },
              "variance": null,
              "optional": false
            }
          ],
          "indexers": [],
          "internalSlots": [],
          "exact": false
        }
      },
      {
        "type": "DeclareClass",
        "start": 33,
        "end": 66,
        "loc": {
          "start": {
            "line": 5,
            "column": 0
          },
          "end": {
            "line": 7,
            "column": 1
          }
        },
        "id": {
          "type": "Identifier",
          "start": 47,
          "end": 48,
          "loc": {
            "start": {
              "line": 5,
              "column": 14
            },
            "end": {
              "line": 5,
              "column": 15
            },
            "identifierName": "B"
          },
          "name": "B"
        },
        "typeParameters": null,
        "extends": [],
        "implements": [],
        "mixins": [],
        "body": {
          "type": "ObjectTypeAnnotation",
          "start": 49,
          "end": 66,
          "loc": {
            "start": {
              "line": 5,
              "column": 16
            },
            "end": {
              "line": 7,
              "column": 1
            }
          },
          "callProperties": [],
          "properties": [
            {
              "type": "ObjectTypeProperty",
              "start": 53,
              "end": 63,
              "loc": {
                "start": {
                  "line": 6,
                  "column": 2
                },
                "end": {
                  "line": 6,
                  "column": 12
                }
              },
              "key": {
                "type": "Identifier",
                "start": 59,
                "end": 60,
                "loc": {
                  "start": {
                    "line": 6,
                    "column": 8
                  },
                  "end": {
                    "line": 6,
                    "column": 9
                  },
                  "identifierName": "x"
                },
                "name": "x"
              },
              "static": false,
              "proto": true,
              "kind": "init",
              "method": false,
              "value": {
                "type": "GenericTypeAnnotation",
                "start": 62,
                "end": 63,
                "loc": {
                  "start": {
                    "line": 6,
                    "column": 11
                  },
                  "end": {
                    "line": 6,
                    "column": 12
                  }
                },
                "typeParameters": null,
                "id": {
                  "type": "Identifier",
                  "start": 62,
                  "end": 63,
                  "loc": {
                    "start": {
                      "line": 6,
                      "column": 11
                    },
                    "end": {
                      "line": 6,
                      "column": 12
                    },
                    "identifierName": "T"
                  },
                  "name": "T"
                }
              },
              "variance": null,
              "optional": false
            }
          ],
          "indexers": [],
          "internalSlots": [],
          "exact": false
        }
      },
      {
        "type": "DeclareClass",
        "start": 68,
        "end": 102,
        "loc": {
          "start": {
            "line": 9,
            "column": 0
          },
          "end": {
            "line": 11,
            "column": 1
          }
        },
        "id": {
          "type": "Identifier",
          "start": 82,
          "end": 83,
          "loc": {
            "start": {
              "line": 9,
              "column": 14
            },
            "end": {
              "line": 9,
              "column": 15
            },
            "identifierName": "C"
          },
          "name": "C"
        },
        "typeParameters": null,
        "extends": [],
        "implements": [],
        "mixins": [],
        "body": {
          "type": "ObjectTypeAnnotation",
          "start": 84,
          "end": 102,
          "loc": {
            "start": {
              "line": 9,
              "column": 16
            },
            "end": {
              "line": 11,
              "column": 1
            }
          },
          "callProperties": [],
          "properties": [
            {
              "type": "ObjectTypeProperty",
              "start": 88,
              "end": 99,
              "loc": {
                "start": {
                  "line": 10,
                  "column": 2
                },
                "end": {
                  "line": 10,
                  "column": 13
                }
              },
              "key": {
                "type": "Identifier",
                "start": 95,
                "end": 96,
                "loc": {
                  "start": {
                    "line": 10,
                    "column": 9
                  },
                  "end": {
                    "line": 10,
                    "column": 10
                  },
                  "identifierName": "x"
                },
                "name": "x"
              },
              "static": false,
              "proto": true,
              "kind": "init",
              "method": false,
              "value": {
                "type": "GenericTypeAnnotation",
                "start": 98,
                "end": 99,
                "loc": {
                  "start": {
                    "line": 10,
                    "column": 12
                  },
                  "end": {
                    "line": 10,
                    "column": 13
                  }
                },
                "typeParameters": null,
                "id": {
                  "type": "Identifier",
                  "start": 98,
                  "end": 99,
                  "loc": {
                    "start": {
                      "line": 10,
                      "column": 12
                    },
                    "end": {
                      "line": 10,
                      "column": 13
                    },
                    "identifierName": "T"
                  },
                  "name": "T"
                }
              },
              "variance": {
                "type": "Variance",
                "start": 94,
                "end": 95,
                "loc": {
                  "start": {
                    "line": 10,
                    "column": 8
                  },
                  "end": {
                    "line": 10,
                    "column": 9
                  }
                },
                "kind": "plus"
              },
              "optional": false
            }
          ],
          "indexers": [],
          "internalSlots": [],
          "exact": false
        }
      }
    ],
    "directives": []
  }
}