{
  "type": "File",
  "start": 0,
  "end": 74,
  "loc": {
    "start": {
      "line": 1,
      "column": 0
    },
    "end": {
      "line": 5,
      "column": 10
    }
  },
  "program": {
    "type": "Program",
    "start": 0,
    "end": 74,
    "loc": {
      "start": {
        "line": 1,
        "column": 0
      },
      "end": {
        "line": 5,
        "column": 10
      }
    },
    "sourceType": "module",
    "interpreter": {
      "type": "InterpreterDirective",
      "start": 0,
      "end": 19,
      "loc": {
        "start": {
          "line": 1,
          "column": 0
        },
        "end": {
          "line": 1,
          "column": 19
        }
      },
      "value": "/usr/bin/env node"
    },
    "body": [
      {
        "type": "ExpressionStatement",
        "start": 64,
        "end": 74,
        "loc": {
          "start": {
            "line": 5,
            "column": 0
          },
          "end": {
            "line": 5,
            "column": 10
          }
        },
        "expression": {
          "type": "CallExpression",
          "start": 64,
          "end": 73,
          "loc": {
            "start": {
              "line": 5,
              "column": 0
            },
            "end": {
              "line": 5,
              "column": 9
            }
          },
          "callee": {
            "type": "Identifier",
            "start": 64,
            "end": 67,
            "loc": {
              "start": {
                "line": 5,
                "column": 0
              },
              "end": {
                "line": 5,
                "column": 3
              },
              "identifierName": "foo"
            },
            "name": "foo"
          },
          "typeArguments": {
            "type": "TypeParameterInstantiation",
            "start": 67,
            "end": 70,
            "loc": {
              "start": {
                "line": 5,
                "column": 3
              },
              "end": {
                "line": 5,
                "column": 6
              }
            },
            "params": [
              {
                "type": "GenericTypeAnnotation",
                "start": 68,
                "end": 69,
                "loc": {
                  "start": {
                    "line": 5,
                    "column": 4
                  },
                  "end": {
                    "line": 5,
                    "column": 5
                  }
                },
                "typeParameters": null,
                "id": {
                  "type": "Identifier",
                  "start": 68,
                  "end": 69,
                  "loc": {
                    "start": {
                      "line": 5,
                      "column": 4
                    },
                    "end": {
                      "line": 5,
                      "column": 5
                    },
                    "identifierName": "x"
                  },
                  "name": "x"
                }
              }
            ]
          },
          "arguments": [
            {
              "type": "Identifier",
              "start": 71,
              "end": 72,
              "loc": {
                "start": {
                  "line": 5,
                  "column": 7
                },
                "end": {
                  "line": 5,
                  "column": 8
                },
                "identifierName": "y"
              },
              "name": "y"
            }
          ]
        },
        "leadingComments": [
          {
            "type": "CommentLine",
            "value": " arbitrary comment",
            "start": 34,
            "end": 54,
            "loc": {
              "start": {
                "line": 3,
                "column": 0
              },
              "end": {
                "line": 3,
                "column": 20
              }
            }
          },
          {
            "type": "CommentLine",
            "value": " @flow",
            "start": 55,
            "end": 63,
            "loc": {
              "start": {
                "line": 4,
                "column": 0
              },
              "end": {
                "line": 4,
                "column": 8
              }
            }
          }
        ]
      }
    ],
    "directives": [
      {
        "type": "Directive",
        "start": 20,
        "end": 33,
        "loc": {
          "start": {
            "line": 2,
            "column": 0
          },
          "end": {
            "line": 2,
            "column": 13
          }
        },
        "value": {
          "type": "DirectiveLiteral",
          "start": 20,
          "end": 32,
          "loc": {
            "start": {
              "line": 2,
              "column": 0
            },
            "end": {
              "line": 2,
              "column": 12
            }
          },
          "value": "use strict",
          "extra": {
            "raw": "'use strict'",
            "rawValue": "use strict"
          }
        },
        "trailingComments": [
          {
            "type": "CommentLine",
            "value": " arbitrary comment",
            "start": 34,
            "end": 54,
            "loc": {
              "start": {
                "line": 3,
                "column": 0
              },
              "end": {
                "line": 3,
                "column": 20
              }
            }
          },
          {
            "type": "CommentLine",
            "value": " @flow",
            "start": 55,
            "end": 63,
            "loc": {
              "start": {
                "line": 4,
                "column": 0
              },
              "end": {
                "line": 4,
                "column": 8
              }
            }
          }
        ]
      }
    ]
  },
  "comments": [
    {
      "type": "CommentLine",
      "value": " arbitrary comment",
      "start": 34,
      "end": 54,
      "loc": {
        "start": {
          "line": 3,
          "column": 0
        },
        "end": {
          "line": 3,
          "column": 20
        }
      }
    },
    {
      "type": "CommentLine",
      "value": " @flow",
      "start": 55,
      "end": 63,
      "loc": {
        "start": {
          "line": 4,
          "column": 0
        },
        "end": {
          "line": 4,
          "column": 8
        }
      }
    }
  ]
}