{
  "type": "File",
  "start": 0,
  "end": 212,
  "loc": {
    "start": {
      "line": 1,
      "column": 0
    },
    "end": {
      "line": 13,
      "column": 1
    }
  },
  "program": {
    "type": "Program",
    "start": 0,
    "end": 212,
    "loc": {
      "start": {
        "line": 1,
        "column": 0
      },
      "end": {
        "line": 13,
        "column": 1
      }
    },
    "sourceType": "script",
    "interpreter": null,
    "body": [
      {
        "type": "ClassDeclaration",
        "start": 0,
        "end": 212,
        "loc": {
          "start": {
            "line": 1,
            "column": 0
          },
          "end": {
            "line": 13,
            "column": 1
          }
        },
        "id": {
          "type": "Identifier",
          "start": 6,
          "end": 9,
          "loc": {
            "start": {
              "line": 1,
              "column": 6
            },
            "end": {
              "line": 1,
              "column": 9
            },
            "identifierName": "Foo"
          },
          "name": "Foo"
        },
        "superClass": null,
        "body": {
          "type": "ClassBody",
          "start": 10,
          "end": 212,
          "loc": {
            "start": {
              "line": 1,
              "column": 10
            },
            "end": {
              "line": 13,
              "column": 1
            }
          },
          "body": [
            {
              "type": "ClassPrivateMethod",
              "start": 14,
              "end": 210,
              "loc": {
                "start": {
                  "line": 2,
                  "column": 2
                },
                "end": {
                  "line": 12,
                  "column": 3
                }
              },
              "static": false,
              "key": {
                "type": "PrivateName",
                "start": 21,
                "end": 31,
                "loc": {
                  "start": {
                    "line": 2,
                    "column": 9
                  },
                  "end": {
                    "line": 2,
                    "column": 19
                  }
                },
                "id": {
                  "type": "Identifier",
                  "start": 22,
                  "end": 31,
                  "loc": {
                    "start": {
                      "line": 2,
                      "column": 10
                    },
                    "end": {
                      "line": 2,
                      "column": 19
                    },
                    "identifierName": "readLines"
                  },
                  "name": "readLines"
                }
              },
              "computed": false,
              "kind": "method",
              "id": null,
              "generator": true,
              "async": true,
              "params": [
                {
                  "type": "Identifier",
                  "start": 32,
                  "end": 36,
                  "loc": {
                    "start": {
                      "line": 2,
                      "column": 20
                    },
                    "end": {
                      "line": 2,
                      "column": 24
                    },
                    "identifierName": "path"
                  },
                  "name": "path"
                }
              ],
              "body": {
                "type": "BlockStatement",
                "start": 38,
                "end": 210,
                "loc": {
                  "start": {
                    "line": 2,
                    "column": 26
                  },
                  "end": {
                    "line": 12,
                    "column": 3
                  }
                },
                "body": [
                  {
                    "type": "VariableDeclaration",
                    "start": 44,
                    "end": 76,
                    "loc": {
                      "start": {
                        "line": 3,
                        "column": 4
                      },
                      "end": {
                        "line": 3,
                        "column": 36
                      }
                    },
                    "declarations": [
                      {
                        "type": "VariableDeclarator",
                        "start": 48,
                        "end": 75,
                        "loc": {
                          "start": {
                            "line": 3,
                            "column": 8
                          },
                          "end": {
                            "line": 3,
                            "column": 35
                          }
                        },
                        "id": {
                          "type": "Identifier",
                          "start": 48,
                          "end": 52,
                          "loc": {
                            "start": {
                              "line": 3,
                              "column": 8
                            },
                            "end": {
                              "line": 3,
                              "column": 12
                            },
                            "identifierName": "file"
                          },
                          "name": "file"
                        },
                        "init": {
                          "type": "AwaitExpression",
                          "start": 55,
                          "end": 75,
                          "loc": {
                            "start": {
                              "line": 3,
                              "column": 15
                            },
                            "end": {
                              "line": 3,
                              "column": 35
                            }
                          },
                          "argument": {
                            "type": "CallExpression",
                            "start": 61,
                            "end": 75,
                            "loc": {
                              "start": {
                                "line": 3,
                                "column": 21
                              },
                              "end": {
                                "line": 3,
                                "column": 35
                              }
                            },
                            "callee": {
                              "type": "Identifier",
                              "start": 61,
                              "end": 69,
                              "loc": {
                                "start": {
                                  "line": 3,
                                  "column": 21
                                },
                                "end": {
                                  "line": 3,
                                  "column": 29
                                },
                                "identifierName": "fileOpen"
                              },
                              "name": "fileOpen"
                            },
                            "arguments": [
                              {
                                "type": "Identifier",
                                "start": 70,
                                "end": 74,
                                "loc": {
                                  "start": {
                                    "line": 3,
                                    "column": 30
                                  },
                                  "end": {
                                    "line": 3,
                                    "column": 34
                                  },
                                  "identifierName": "path"
                                },
                                "name": "path"
                              }
                            ]
                          }
                        }
                      }
                    ],
                    "kind": "let"
                  },
                  {
                    "type": "TryStatement",
                    "start": 82,
                    "end": 206,
                    "loc": {
                      "start": {
                        "line": 5,
                        "column": 4
                      },
                      "end": {
                        "line": 11,
                        "column": 5
                      }
                    },
                    "block": {
                      "type": "BlockStatement",
                      "start": 86,
                      "end": 164,
                      "loc": {
                        "start": {
                          "line": 5,
                          "column": 8
                        },
                        "end": {
                          "line": 9,
                          "column": 5
                        }
                      },
                      "body": [
                        {
                          "type": "WhileStatement",
                          "start": 94,
                          "end": 158,
                          "loc": {
                            "start": {
                              "line": 6,
                              "column": 6
                            },
                            "end": {
                              "line": 8,
                              "column": 7
                            }
                          },
                          "test": {
                            "type": "UnaryExpression",
                            "start": 101,
                            "end": 110,
                            "loc": {
                              "start": {
                                "line": 6,
                                "column": 13
                              },
                              "end": {
                                "line": 6,
                                "column": 22
                              }
                            },
                            "operator": "!",
                            "prefix": true,
                            "argument": {
                              "type": "MemberExpression",
                              "start": 102,
                              "end": 110,
                              "loc": {
                                "start": {
                                  "line": 6,
                                  "column": 14
                                },
                                "end": {
                                  "line": 6,
                                  "column": 22
                                }
                              },
                              "object": {
                                "type": "Identifier",
                                "start": 102,
                                "end": 106,
                                "loc": {
                                  "start": {
                                    "line": 6,
                                    "column": 14
                                  },
                                  "end": {
                                    "line": 6,
                                    "column": 18
                                  },
                                  "identifierName": "file"
                                },
                                "name": "file"
                              },
                              "property": {
                                "type": "Identifier",
                                "start": 107,
                                "end": 110,
                                "loc": {
                                  "start": {
                                    "line": 6,
                                    "column": 19
                                  },
                                  "end": {
                                    "line": 6,
                                    "column": 22
                                  },
                                  "identifierName": "EOF"
                                },
                                "name": "EOF"
                              },
                              "computed": false
                            }
                          },
                          "body": {
                            "type": "BlockStatement",
                            "start": 112,
                            "end": 158,
                            "loc": {
                              "start": {
                                "line": 6,
                                "column": 24
                              },
                              "end": {
                                "line": 8,
                                "column": 7
                              }
                            },
                            "body": [
                              {
                                "type": "ExpressionStatement",
                                "start": 122,
                                "end": 150,
                                "loc": {
                                  "start": {
                                    "line": 7,
                                    "column": 8
                                  },
                                  "end": {
                                    "line": 7,
                                    "column": 36
                                  }
                                },
                                "expression": {
                                  "type": "YieldExpression",
                                  "start": 122,
                                  "end": 149,
                                  "loc": {
                                    "start": {
                                      "line": 7,
                                      "column": 8
                                    },
                                    "end": {
                                      "line": 7,
                                      "column": 35
                                    }
                                  },
                                  "delegate": false,
                                  "argument": {
                                    "type": "AwaitExpression",
                                    "start": 128,
                                    "end": 149,
                                    "loc": {
                                      "start": {
                                        "line": 7,
                                        "column": 14
                                      },
                                      "end": {
                                        "line": 7,
                                        "column": 35
                                      }
                                    },
                                    "argument": {
                                      "type": "CallExpression",
                                      "start": 134,
                                      "end": 149,
                                      "loc": {
                                        "start": {
                                          "line": 7,
                                          "column": 20
                                        },
                                        "end": {
                                          "line": 7,
                                          "column": 35
                                        }
                                      },
                                      "callee": {
                                        "type": "MemberExpression",
                                        "start": 134,
                                        "end": 147,
                                        "loc": {
                                          "start": {
                                            "line": 7,
                                            "column": 20
                                          },
                                          "end": {
                                            "line": 7,
                                            "column": 33
                                          }
                                        },
                                        "object": {
                                          "type": "Identifier",
                                          "start": 134,
                                          "end": 138,
                                          "loc": {
                                            "start": {
                                              "line": 7,
                                              "column": 20
                                            },
                                            "end": {
                                              "line": 7,
                                              "column": 24
                                            },
                                            "identifierName": "file"
                                          },
                                          "name": "file"
                                        },
                                        "property": {
                                          "type": "Identifier",
                                          "start": 139,
                                          "end": 147,
                                          "loc": {
                                            "start": {
                                              "line": 7,
                                              "column": 25
                                            },
                                            "end": {
                                              "line": 7,
                                              "column": 33
                                            },
                                            "identifierName": "readLine"
                                          },
                                          "name": "readLine"
                                        },
                                        "computed": false
                                      },
                                      "arguments": []
                                    }
                                  }
                                }
                              }
                            ],
                            "directives": []
                          }
                        }
                      ],
                      "directives": []
                    },
                    "handler": null,
                    "finalizer": {
                      "type": "BlockStatement",
                      "start": 173,
                      "end": 206,
                      "loc": {
                        "start": {
                          "line": 9,
                          "column": 14
                        },
                        "end": {
                          "line": 11,
                          "column": 5
                        }
                      },
                      "body": [
                        {
                          "type": "ExpressionStatement",
                          "start": 181,
                          "end": 200,
                          "loc": {
                            "start": {
                              "line": 10,
                              "column": 6
                            },
                            "end": {
                              "line": 10,
                              "column": 25
                            }
                          },
                          "expression": {
                            "type": "AwaitExpression",
                            "start": 181,
                            "end": 199,
                            "loc": {
                              "start": {
                                "line": 10,
                                "column": 6
                              },
                              "end": {
                                "line": 10,
                                "column": 24
                              }
                            },
                            "argument": {
                              "type": "CallExpression",
                              "start": 187,
                              "end": 199,
                              "loc": {
                                "start": {
                                  "line": 10,
                                  "column": 12
                                },
                                "end": {
                                  "line": 10,
                                  "column": 24
                                }
                              },
                              "callee": {
                                "type": "MemberExpression",
                                "start": 187,
                                "end": 197,
                                "loc": {
                                  "start": {
                                    "line": 10,
                                    "column": 12
                                  },
                                  "end": {
                                    "line": 10,
                                    "column": 22
                                  }
                                },
                                "object": {
                                  "type": "Identifier",
                                  "start": 187,
                                  "end": 191,
                                  "loc": {
                                    "start": {
                                      "line": 10,
                                      "column": 12
                                    },
                                    "end": {
                                      "line": 10,
                                      "column": 16
                                    },
                                    "identifierName": "file"
                                  },
                                  "name": "file"
                                },
                                "property": {
                                  "type": "Identifier",
                                  "start": 192,
                                  "end": 197,
                                  "loc": {
                                    "start": {
                                      "line": 10,
                                      "column": 17
                                    },
                                    "end": {
                                      "line": 10,
                                      "column": 22
                                    },
                                    "identifierName": "close"
                                  },
                                  "name": "close"
                                },
                                "computed": false
                              },
                              "arguments": []
                            }
                          }
                        }
                      ],
                      "directives": []
                    }
                  }
                ],
                "directives": []
              }
            }
          ]
        }
      }
    ],
    "directives": []
  }
}