{
  "type": "File",
  "start": 0,
  "end": 59,
  "loc": {
    "start": {
      "line": 1,
      "column": 0
    },
    "end": {
      "line": 3,
      "column": 18
    }
  },
  "program": {
    "type": "Program",
    "start": 0,
    "end": 59,
    "loc": {
      "start": {
        "line": 1,
        "column": 0
      },
      "end": {
        "line": 3,
        "column": 18
      }
    },
    "sourceType": "module",
    "body": [
      {
        "type": "ClassDeclaration",
        "start": 0,
        "end": 17,
        "loc": {
          "start": {
            "line": 1,
            "column": 0
          },
          "end": {
            "line": 1,
            "column": 17
          }
        },
        "id": {
          "type": "Identifier",
          "start": 6,
          "end": 7,
          "loc": {
            "start": {
              "line": 1,
              "column": 6
            },
            "end": {
              "line": 1,
              "column": 7
            },
            "identifierName": "C"
          },
          "name": "C"
        },
        "typeParameters": {
          "type": "TypeParameterDeclaration",
          "start": 7,
          "end": 14,
          "loc": {
            "start": {
              "line": 1,
              "column": 7
            },
            "end": {
              "line": 1,
              "column": 14
            }
          },
          "params": [
            {
              "type": "TypeParameter",
              "start": 8,
              "end": 10,
              "loc": {
                "start": {
                  "line": 1,
                  "column": 8
                },
                "end": {
                  "line": 1,
                  "column": 10
                }
              },
              "name": "T",
              "variance": {
                "type": "Variance",
                "start": 8,
                "end": 9,
                "loc": {
                  "start": {
                    "line": 1,
                    "column": 8
                  },
                  "end": {
                    "line": 1,
                    "column": 9
                  }
                },
                "kind": "plus"
              }
            },
            {
              "type": "TypeParameter",
              "start": 11,
              "end": 13,
              "loc": {
                "start": {
                  "line": 1,
                  "column": 11
                },
                "end": {
                  "line": 1,
                  "column": 13
                }
              },
              "name": "U",
              "variance": {
                "type": "Variance",
                "start": 11,
                "end": 12,
                "loc": {
                  "start": {
                    "line": 1,
                    "column": 11
                  },
                  "end": {
                    "line": 1,
                    "column": 12
                  }
                },
                "kind": "minus"
              }
            }
          ]
        },
        "superClass": null,
        "body": {
          "type": "ClassBody",
          "start": 15,
          "end": 17,
          "loc": {
            "start": {
              "line": 1,
              "column": 15
            },
            "end": {
              "line": 1,
              "column": 17
            }
          },
          "body": []
        }
      },
      {
        "type": "FunctionDeclaration",
        "start": 18,
        "end": 40,
        "loc": {
          "start": {
            "line": 2,
            "column": 0
          },
          "end": {
            "line": 2,
            "column": 22
          }
        },
        "id": {
          "type": "Identifier",
          "start": 27,
          "end": 28,
          "loc": {
            "start": {
              "line": 2,
              "column": 9
            },
            "end": {
              "line": 2,
              "column": 10
            },
            "identifierName": "f"
          },
          "name": "f"
        },
        "generator": false,
        "expression": false,
        "async": false,
        "typeParameters": {
          "type": "TypeParameterDeclaration",
          "start": 28,
          "end": 35,
          "loc": {
            "start": {
              "line": 2,
              "column": 10
            },
            "end": {
              "line": 2,
              "column": 17
            }
          },
          "params": [
            {
              "type": "TypeParameter",
              "start": 29,
              "end": 31,
              "loc": {
                "start": {
                  "line": 2,
                  "column": 11
                },
                "end": {
                  "line": 2,
                  "column": 13
                }
              },
              "name": "T",
              "variance": {
                "type": "Variance",
                "start": 29,
                "end": 30,
                "loc": {
                  "start": {
                    "line": 2,
                    "column": 11
                  },
                  "end": {
                    "line": 2,
                    "column": 12
                  }
                },
                "kind": "plus"
              }
            },
            {
              "type": "TypeParameter",
              "start": 32,
              "end": 34,
              "loc": {
                "start": {
                  "line": 2,
                  "column": 14
                },
                "end": {
                  "line": 2,
                  "column": 16
                }
              },
              "name": "U",
              "variance": {
                "type": "Variance",
                "start": 32,
                "end": 33,
                "loc": {
                  "start": {
                    "line": 2,
                    "column": 14
                  },
                  "end": {
                    "line": 2,
                    "column": 15
                  }
                },
                "kind": "minus"
              }
            }
          ]
        },
        "params": [],
        "body": {
          "type": "BlockStatement",
          "start": 38,
          "end": 40,
          "loc": {
            "start": {
              "line": 2,
              "column": 20
            },
            "end": {
              "line": 2,
              "column": 22
            }
          },
          "body": [],
          "directives": []
        }
      },
      {
        "type": "TypeAlias",
        "start": 41,
        "end": 59,
        "loc": {
          "start": {
            "line": 3,
            "column": 0
          },
          "end": {
            "line": 3,
            "column": 18
          }
        },
        "id": {
          "type": "Identifier",
          "start": 46,
          "end": 47,
          "loc": {
            "start": {
              "line": 3,
              "column": 5
            },
            "end": {
              "line": 3,
              "column": 6
            },
            "identifierName": "T"
          },
          "name": "T"
        },
        "typeParameters": {
          "type": "TypeParameterDeclaration",
          "start": 47,
          "end": 54,
          "loc": {
            "start": {
              "line": 3,
              "column": 6
            },
            "end": {
              "line": 3,
              "column": 13
            }
          },
          "params": [
            {
              "type": "TypeParameter",
              "start": 48,
              "end": 50,
              "loc": {
                "start": {
                  "line": 3,
                  "column": 7
                },
                "end": {
                  "line": 3,
                  "column": 9
                }
              },
              "name": "T",
              "variance": {
                "type": "Variance",
                "start": 48,
                "end": 49,
                "loc": {
                  "start": {
                    "line": 3,
                    "column": 7
                  },
                  "end": {
                    "line": 3,
                    "column": 8
                  }
                },
                "kind": "plus"
              }
            },
            {
              "type": "TypeParameter",
              "start": 51,
              "end": 53,
              "loc": {
                "start": {
                  "line": 3,
                  "column": 10
                },
                "end": {
                  "line": 3,
                  "column": 12
                }
              },
              "name": "U",
              "variance": {
                "type": "Variance",
                "start": 51,
                "end": 52,
                "loc": {
                  "start": {
                    "line": 3,
                    "column": 10
                  },
                  "end": {
                    "line": 3,
                    "column": 11
                  }
                },
                "kind": "minus"
              }
            }
          ]
        },
        "right": {
          "type": "ObjectTypeAnnotation",
          "start": 57,
          "end": 59,
          "loc": {
            "start": {
              "line": 3,
              "column": 16
            },
            "end": {
              "line": 3,
              "column": 18
            }
          },
          "callProperties": [],
          "properties": [],
          "indexers": [],
          "exact": false
        }
      }
    ],
    "directives": []
  }
}