{
  "type": "File",
  "start": 0,
  "end": 20,
  "loc": {
    "start": {
      "line": 1,
      "column": 0
    },
    "end": {
      "line": 1,
      "column": 20
    }
  },
  "program": {
    "type": "Program",
    "start": 0,
    "end": 20,
    "loc": {
      "start": {
        "line": 1,
        "column": 0
      },
      "end": {
        "line": 1,
        "column": 20
      }
    },
    "sourceType": "module",
    "interpreter": null,
    "body": [
      {
        "type": "TypeAlias",
        "start": 0,
        "end": 20,
        "loc": {
          "start": {
            "line": 1,
            "column": 0
          },
          "end": {
            "line": 1,
            "column": 20
          }
        },
        "id": {
          "type": "Identifier",
          "start": 5,
          "end": 8,
          "loc": {
            "start": {
              "line": 1,
              "column": 5
            },
            "end": {
              "line": 1,
              "column": 8
            },
            "identifierName": "Foo"
          },
          "name": "Foo"
        },
        "typeParameters": {
          "type": "TypeParameterDeclaration",
          "start": 8,
          "end": 11,
          "loc": {
            "start": {
              "line": 1,
              "column": 8
            },
            "end": {
              "line": 1,
              "column": 11
            }
          },
          "params": [
            {
              "type": "TypeParameter",
              "start": 9,
              "end": 10,
              "loc": {
                "start": {
                  "line": 1,
                  "column": 9
                },
                "end": {
                  "line": 1,
                  "column": 10
                }
              },
              "name": "T",
              "variance": null
            }
          ]
        },
        "right": {
          "type": "GenericTypeAnnotation",
          "start": 14,
          "end": 20,
          "loc": {
            "start": {
              "line": 1,
              "column": 14
            },
            "end": {
              "line": 1,
              "column": 20
            }
          },
          "typeParameters": {
            "type": "TypeParameterInstantiation",
            "start": 17,
            "end": 20,
            "loc": {
              "start": {
                "line": 1,
                "column": 17
              },
              "end": {
                "line": 1,
                "column": 20
              }
            },
            "params": [
              {
                "type": "GenericTypeAnnotation",
                "start": 18,
                "end": 19,
                "loc": {
                  "start": {
                    "line": 1,
                    "column": 18
                  },
                  "end": {
                    "line": 1,
                    "column": 19
                  }
                },
                "typeParameters": null,
                "id": {
                  "type": "Identifier",
                  "start": 18,
                  "end": 19,
                  "loc": {
                    "start": {
                      "line": 1,
                      "column": 18
                    },
                    "end": {
                      "line": 1,
                      "column": 19
                    },
                    "identifierName": "T"
                  },
                  "name": "T"
                }
              }
            ]
          },
          "id": {
            "type": "Identifier",
            "start": 14,
            "end": 17,
            "loc": {
              "start": {
                "line": 1,
                "column": 14
              },
              "end": {
                "line": 1,
                "column": 17
              },
              "identifierName": "Bar"
            },
            "name": "Bar"
          }
        }
      }
    ],
    "directives": []
  }
}