{
  "type": "Script",
  "span": {
    "start": 40,
    "end": 578,
    "ctxt": 0
  },
  "body": [
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 40,
        "end": 63,
        "ctxt": 0
      },
      "kind": "var",
      "declare": true,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 52,
            "end": 62,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 52,
              "end": 53,
              "ctxt": 0
            },
            "value": "a",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 53,
                "end": 62,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 55,
                  "end": 62,
                  "ctxt": 0
                },
                "kind": "boolean"
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 64,
        "end": 96,
        "ctxt": 0
      },
      "kind": "var",
      "declare": true,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 76,
            "end": 95,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 76,
              "end": 77,
              "ctxt": 0
            },
            "value": "p",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 77,
                "end": 95,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 79,
                  "end": 95,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 79,
                    "end": 86,
                    "ctxt": 0
                  },
                  "value": "Promise",
                  "optional": false
                },
                "typeParams": {
                  "type": "TsTypeParameterInstantiation",
                  "span": {
                    "start": 86,
                    "end": 95,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "TsKeywordType",
                      "span": {
                        "start": 87,
                        "end": 94,
                        "ctxt": 0
                      },
                      "kind": "boolean"
                    }
                  ]
                }
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 114,
          "end": 116,
          "ctxt": 0
        },
        "value": "fn",
        "optional": false
      },
      "declare": true,
      "params": [
        {
          "type": "Parameter",
          "span": {
            "start": 117,
            "end": 130,
            "ctxt": 0
          },
          "decorators": [],
          "pat": {
            "type": "Identifier",
            "span": {
              "start": 117,
              "end": 130,
              "ctxt": 0
            },
            "value": "arg0",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 121,
                "end": 130,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 123,
                  "end": 130,
                  "ctxt": 0
                },
                "kind": "boolean"
              }
            }
          }
        },
        {
          "type": "Parameter",
          "span": {
            "start": 132,
            "end": 145,
            "ctxt": 0
          },
          "decorators": [],
          "pat": {
            "type": "Identifier",
            "span": {
              "start": 132,
              "end": 145,
              "ctxt": 0
            },
            "value": "arg1",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 136,
                "end": 145,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 138,
                  "end": 145,
                  "ctxt": 0
                },
                "kind": "boolean"
              }
            }
          }
        },
        {
          "type": "Parameter",
          "span": {
            "start": 147,
            "end": 160,
            "ctxt": 0
          },
          "decorators": [],
          "pat": {
            "type": "Identifier",
            "span": {
              "start": 147,
              "end": 160,
              "ctxt": 0
            },
            "value": "arg2",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 151,
                "end": 160,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 153,
                  "end": 160,
                  "ctxt": 0
                },
                "kind": "boolean"
              }
            }
          }
        }
      ],
      "decorators": [],
      "span": {
        "start": 97,
        "end": 168,
        "ctxt": 0
      },
      "body": null,
      "generator": false,
      "async": false,
      "typeParameters": null,
      "returnType": {
        "type": "TsTypeAnnotation",
        "span": {
          "start": 161,
          "end": 167,
          "ctxt": 0
        },
        "typeAnnotation": {
          "type": "TsKeywordType",
          "span": {
            "start": 163,
            "end": 167,
            "ctxt": 0
          },
          "kind": "void"
        }
      }
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 169,
        "end": 243,
        "ctxt": 0
      },
      "kind": "var",
      "declare": true,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 181,
            "end": 242,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 181,
              "end": 182,
              "ctxt": 0
            },
            "value": "o",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 182,
                "end": 242,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeLiteral",
                "span": {
                  "start": 184,
                  "end": 242,
                  "ctxt": 0
                },
                "members": [
                  {
                    "type": "TsMethodSignature",
                    "span": {
                      "start": 186,
                      "end": 240,
                      "ctxt": 0
                    },
                    "readonly": false,
                    "key": {
                      "type": "Identifier",
                      "span": {
                        "start": 186,
                        "end": 188,
                        "ctxt": 0
                      },
                      "value": "fn",
                      "optional": false
                    },
                    "computed": false,
                    "optional": false,
                    "params": [
                      {
                        "type": "Identifier",
                        "span": {
                          "start": 189,
                          "end": 202,
                          "ctxt": 0
                        },
                        "value": "arg0",
                        "optional": false,
                        "typeAnnotation": {
                          "type": "TsTypeAnnotation",
                          "span": {
                            "start": 193,
                            "end": 202,
                            "ctxt": 0
                          },
                          "typeAnnotation": {
                            "type": "TsKeywordType",
                            "span": {
                              "start": 195,
                              "end": 202,
                              "ctxt": 0
                            },
                            "kind": "boolean"
                          }
                        }
                      },
                      {
                        "type": "Identifier",
                        "span": {
                          "start": 204,
                          "end": 217,
                          "ctxt": 0
                        },
                        "value": "arg1",
                        "optional": false,
                        "typeAnnotation": {
                          "type": "TsTypeAnnotation",
                          "span": {
                            "start": 208,
                            "end": 217,
                            "ctxt": 0
                          },
                          "typeAnnotation": {
                            "type": "TsKeywordType",
                            "span": {
                              "start": 210,
                              "end": 217,
                              "ctxt": 0
                            },
                            "kind": "boolean"
                          }
                        }
                      },
                      {
                        "type": "Identifier",
                        "span": {
                          "start": 219,
                          "end": 232,
                          "ctxt": 0
                        },
                        "value": "arg2",
                        "optional": false,
                        "typeAnnotation": {
                          "type": "TsTypeAnnotation",
                          "span": {
                            "start": 223,
                            "end": 232,
                            "ctxt": 0
                          },
                          "typeAnnotation": {
                            "type": "TsKeywordType",
                            "span": {
                              "start": 225,
                              "end": 232,
                              "ctxt": 0
                            },
                            "kind": "boolean"
                          }
                        }
                      }
                    ],
                    "typeAnn": {
                      "type": "TsTypeAnnotation",
                      "span": {
                        "start": 233,
                        "end": 239,
                        "ctxt": 0
                      },
                      "typeAnnotation": {
                        "type": "TsKeywordType",
                        "span": {
                          "start": 235,
                          "end": 239,
                          "ctxt": 0
                        },
                        "kind": "void"
                      }
                    },
                    "typeParams": null
                  }
                ]
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 244,
        "end": 327,
        "ctxt": 0
      },
      "kind": "var",
      "declare": true,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 256,
            "end": 326,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 256,
              "end": 259,
              "ctxt": 0
            },
            "value": "pfn",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 259,
                "end": 326,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 261,
                  "end": 326,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 261,
                    "end": 268,
                    "ctxt": 0
                  },
                  "value": "Promise",
                  "optional": false
                },
                "typeParams": {
                  "type": "TsTypeParameterInstantiation",
                  "span": {
                    "start": 268,
                    "end": 326,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "TsTypeLiteral",
                      "span": {
                        "start": 269,
                        "end": 325,
                        "ctxt": 0
                      },
                      "members": [
                        {
                          "type": "TsCallSignatureDeclaration",
                          "span": {
                            "start": 271,
                            "end": 323,
                            "ctxt": 0
                          },
                          "params": [
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 272,
                                "end": 285,
                                "ctxt": 0
                              },
                              "value": "arg0",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 276,
                                  "end": 285,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 278,
                                    "end": 285,
                                    "ctxt": 0
                                  },
                                  "kind": "boolean"
                                }
                              }
                            },
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 287,
                                "end": 300,
                                "ctxt": 0
                              },
                              "value": "arg1",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 291,
                                  "end": 300,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 293,
                                    "end": 300,
                                    "ctxt": 0
                                  },
                                  "kind": "boolean"
                                }
                              }
                            },
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 302,
                                "end": 315,
                                "ctxt": 0
                              },
                              "value": "arg2",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 306,
                                  "end": 315,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 308,
                                    "end": 315,
                                    "ctxt": 0
                                  },
                                  "kind": "boolean"
                                }
                              }
                            }
                          ],
                          "typeAnnotation": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 316,
                              "end": 322,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 318,
                                "end": 322,
                                "ctxt": 0
                              },
                              "kind": "void"
                            }
                          },
                          "typeParams": null
                        }
                      ]
                    }
                  ]
                }
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 328,
        "end": 412,
        "ctxt": 0
      },
      "kind": "var",
      "declare": true,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 340,
            "end": 411,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 340,
              "end": 342,
              "ctxt": 0
            },
            "value": "po",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 342,
                "end": 411,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsTypeReference",
                "span": {
                  "start": 344,
                  "end": 411,
                  "ctxt": 0
                },
                "typeName": {
                  "type": "Identifier",
                  "span": {
                    "start": 344,
                    "end": 351,
                    "ctxt": 0
                  },
                  "value": "Promise",
                  "optional": false
                },
                "typeParams": {
                  "type": "TsTypeParameterInstantiation",
                  "span": {
                    "start": 351,
                    "end": 411,
                    "ctxt": 0
                  },
                  "params": [
                    {
                      "type": "TsTypeLiteral",
                      "span": {
                        "start": 352,
                        "end": 410,
                        "ctxt": 0
                      },
                      "members": [
                        {
                          "type": "TsMethodSignature",
                          "span": {
                            "start": 354,
                            "end": 408,
                            "ctxt": 0
                          },
                          "readonly": false,
                          "key": {
                            "type": "Identifier",
                            "span": {
                              "start": 354,
                              "end": 356,
                              "ctxt": 0
                            },
                            "value": "fn",
                            "optional": false
                          },
                          "computed": false,
                          "optional": false,
                          "params": [
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 357,
                                "end": 370,
                                "ctxt": 0
                              },
                              "value": "arg0",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 361,
                                  "end": 370,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 363,
                                    "end": 370,
                                    "ctxt": 0
                                  },
                                  "kind": "boolean"
                                }
                              }
                            },
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 372,
                                "end": 385,
                                "ctxt": 0
                              },
                              "value": "arg1",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 376,
                                  "end": 385,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 378,
                                    "end": 385,
                                    "ctxt": 0
                                  },
                                  "kind": "boolean"
                                }
                              }
                            },
                            {
                              "type": "Identifier",
                              "span": {
                                "start": 387,
                                "end": 400,
                                "ctxt": 0
                              },
                              "value": "arg2",
                              "optional": false,
                              "typeAnnotation": {
                                "type": "TsTypeAnnotation",
                                "span": {
                                  "start": 391,
                                  "end": 400,
                                  "ctxt": 0
                                },
                                "typeAnnotation": {
                                  "type": "TsKeywordType",
                                  "span": {
                                    "start": 393,
                                    "end": 400,
                                    "ctxt": 0
                                  },
                                  "kind": "boolean"
                                }
                              }
                            }
                          ],
                          "typeAnn": {
                            "type": "TsTypeAnnotation",
                            "span": {
                              "start": 401,
                              "end": 407,
                              "ctxt": 0
                            },
                            "typeAnnotation": {
                              "type": "TsKeywordType",
                              "span": {
                                "start": 403,
                                "end": 407,
                                "ctxt": 0
                              },
                              "kind": "void"
                            }
                          },
                          "typeParams": null
                        }
                      ]
                    }
                  ]
                }
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 430,
          "end": 436,
          "ctxt": 0
        },
        "value": "before",
        "optional": false
      },
      "declare": true,
      "params": [],
      "decorators": [],
      "span": {
        "start": 413,
        "end": 445,
        "ctxt": 0
      },
      "body": null,
      "generator": false,
      "async": false,
      "typeParameters": null,
      "returnType": {
        "type": "TsTypeAnnotation",
        "span": {
          "start": 438,
          "end": 444,
          "ctxt": 0
        },
        "typeAnnotation": {
          "type": "TsKeywordType",
          "span": {
            "start": 440,
            "end": 444,
            "ctxt": 0
          },
          "kind": "void"
        }
      }
    },
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 463,
          "end": 468,
          "ctxt": 0
        },
        "value": "after",
        "optional": false
      },
      "declare": true,
      "params": [],
      "decorators": [],
      "span": {
        "start": 446,
        "end": 477,
        "ctxt": 0
      },
      "body": null,
      "generator": false,
      "async": false,
      "typeParameters": null,
      "returnType": {
        "type": "TsTypeAnnotation",
        "span": {
          "start": 470,
          "end": 476,
          "ctxt": 0
        },
        "typeAnnotation": {
          "type": "TsKeywordType",
          "span": {
            "start": 472,
            "end": 476,
            "ctxt": 0
          },
          "kind": "void"
        }
      }
    },
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 493,
          "end": 497,
          "ctxt": 0
        },
        "value": "func",
        "optional": false
      },
      "declare": false,
      "params": [],
      "decorators": [],
      "span": {
        "start": 478,
        "end": 578,
        "ctxt": 0
      },
      "body": {
        "type": "BlockStatement",
        "span": {
          "start": 515,
          "end": 578,
          "ctxt": 0
        },
        "stmts": [
          {
            "type": "ExpressionStatement",
            "span": {
              "start": 521,
              "end": 530,
              "ctxt": 0
            },
            "expression": {
              "type": "CallExpression",
              "span": {
                "start": 521,
                "end": 529,
                "ctxt": 0
              },
              "callee": {
                "type": "Identifier",
                "span": {
                  "start": 521,
                  "end": 527,
                  "ctxt": 0
                },
                "value": "before",
                "optional": false
              },
              "arguments": [],
              "typeArguments": null
            }
          },
          {
            "type": "VariableDeclaration",
            "span": {
              "start": 535,
              "end": 563,
              "ctxt": 0
            },
            "kind": "var",
            "declare": false,
            "declarations": [
              {
                "type": "VariableDeclarator",
                "span": {
                  "start": 539,
                  "end": 562,
                  "ctxt": 0
                },
                "id": {
                  "type": "Identifier",
                  "span": {
                    "start": 539,
                    "end": 540,
                    "ctxt": 0
                  },
                  "value": "b",
                  "optional": false,
                  "typeAnnotation": null
                },
                "init": {
                  "type": "CallExpression",
                  "span": {
                    "start": 543,
                    "end": 562,
                    "ctxt": 0
                  },
                  "callee": {
                    "type": "MemberExpression",
                    "span": {
                      "start": 543,
                      "end": 547,
                      "ctxt": 0
                    },
                    "object": {
                      "type": "Identifier",
                      "span": {
                        "start": 543,
                        "end": 544,
                        "ctxt": 0
                      },
                      "value": "o",
                      "optional": false
                    },
                    "property": {
                      "type": "Identifier",
                      "span": {
                        "start": 545,
                        "end": 547,
                        "ctxt": 0
                      },
                      "value": "fn",
                      "optional": false
                    }
                  },
                  "arguments": [
                    {
                      "spread": null,
                      "expression": {
                        "type": "Identifier",
                        "span": {
                          "start": 548,
                          "end": 549,
                          "ctxt": 0
                        },
                        "value": "a",
                        "optional": false
                      }
                    },
                    {
                      "spread": null,
                      "expression": {
                        "type": "AwaitExpression",
                        "span": {
                          "start": 551,
                          "end": 558,
                          "ctxt": 0
                        },
                        "argument": {
                          "type": "Identifier",
                          "span": {
                            "start": 557,
                            "end": 558,
                            "ctxt": 0
                          },
                          "value": "p",
                          "optional": false
                        }
                      }
                    },
                    {
                      "spread": null,
                      "expression": {
                        "type": "Identifier",
                        "span": {
                          "start": 560,
                          "end": 561,
                          "ctxt": 0
                        },
                        "value": "a",
                        "optional": false
                      }
                    }
                  ],
                  "typeArguments": null
                },
                "definite": false
              }
            ]
          },
          {
            "type": "ExpressionStatement",
            "span": {
              "start": 568,
              "end": 576,
              "ctxt": 0
            },
            "expression": {
              "type": "CallExpression",
              "span": {
                "start": 568,
                "end": 575,
                "ctxt": 0
              },
              "callee": {
                "type": "Identifier",
                "span": {
                  "start": 568,
                  "end": 573,
                  "ctxt": 0
                },
                "value": "after",
                "optional": false
              },
              "arguments": [],
              "typeArguments": null
            }
          }
        ]
      },
      "generator": false,
      "async": true,
      "typeParameters": null,
      "returnType": {
        "type": "TsTypeAnnotation",
        "span": {
          "start": 499,
          "end": 514,
          "ctxt": 0
        },
        "typeAnnotation": {
          "type": "TsTypeReference",
          "span": {
            "start": 501,
            "end": 514,
            "ctxt": 0
          },
          "typeName": {
            "type": "Identifier",
            "span": {
              "start": 501,
              "end": 508,
              "ctxt": 0
            },
            "value": "Promise",
            "optional": false
          },
          "typeParams": {
            "type": "TsTypeParameterInstantiation",
            "span": {
              "start": 508,
              "end": 514,
              "ctxt": 0
            },
            "params": [
              {
                "type": "TsKeywordType",
                "span": {
                  "start": 509,
                  "end": 513,
                  "ctxt": 0
                },
                "kind": "void"
              }
            ]
          }
        }
      }
    }
  ],
  "interpreter": null
}