{
  "type": "Script",
  "span": {
    "start": 18,
    "end": 492,
    "ctxt": 0
  },
  "body": [
    {
      "type": "FunctionDeclaration",
      "identifier": {
        "type": "Identifier",
        "span": {
          "start": 35,
          "end": 41,
          "ctxt": 0
        },
        "value": "absorb",
        "optional": false
      },
      "declare": true,
      "params": [],
      "decorators": [],
      "span": {
        "start": 18,
        "end": 50,
        "ctxt": 0
      },
      "body": null,
      "generator": false,
      "async": false,
      "typeParameters": {
        "type": "TsTypeParameterDeclaration",
        "span": {
          "start": 41,
          "end": 44,
          "ctxt": 0
        },
        "parameters": [
          {
            "type": "TsTypeParameter",
            "span": {
              "start": 42,
              "end": 43,
              "ctxt": 0
            },
            "name": {
              "type": "Identifier",
              "span": {
                "start": 42,
                "end": 43,
                "ctxt": 0
              },
              "value": "T",
              "optional": false
            },
            "constraint": null,
            "default": null
          }
        ]
      },
      "returnType": {
        "type": "TsTypeAnnotation",
        "span": {
          "start": 46,
          "end": 49,
          "ctxt": 0
        },
        "typeAnnotation": {
          "type": "TsTypeReference",
          "span": {
            "start": 48,
            "end": 49,
            "ctxt": 0
          },
          "typeName": {
            "type": "Identifier",
            "span": {
              "start": 48,
              "end": 49,
              "ctxt": 0
            },
            "value": "T",
            "optional": false
          },
          "typeParams": null
        }
      }
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 51,
        "end": 106,
        "ctxt": 0
      },
      "kind": "const",
      "declare": true,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 65,
            "end": 105,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 65,
              "end": 66,
              "ctxt": 0
            },
            "value": "a",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 66,
                "end": 105,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsUnionType",
                "span": {
                  "start": 68,
                  "end": 105,
                  "ctxt": 0
                },
                "types": [
                  {
                    "type": "TsTypeLiteral",
                    "span": {
                      "start": 68,
                      "end": 93,
                      "ctxt": 0
                    },
                    "members": [
                      {
                        "type": "TsMethodSignature",
                        "span": {
                          "start": 70,
                          "end": 91,
                          "ctxt": 0
                        },
                        "readonly": false,
                        "key": {
                          "type": "Identifier",
                          "span": {
                            "start": 70,
                            "end": 71,
                            "ctxt": 0
                          },
                          "value": "m",
                          "optional": false
                        },
                        "computed": false,
                        "optional": true,
                        "params": [
                          {
                            "type": "Identifier",
                            "span": {
                              "start": 76,
                              "end": 87,
                              "ctxt": 0
                            },
                            "value": "obj",
                            "optional": false,
                            "typeAnnotation": {
                              "type": "TsTypeAnnotation",
                              "span": {
                                "start": 79,
                                "end": 87,
                                "ctxt": 0
                              },
                              "typeAnnotation": {
                                "type": "TsTypeLiteral",
                                "span": {
                                  "start": 81,
                                  "end": 87,
                                  "ctxt": 0
                                },
                                "members": [
                                  {
                                    "type": "TsPropertySignature",
                                    "span": {
                                      "start": 82,
                                      "end": 86,
                                      "ctxt": 0
                                    },
                                    "readonly": false,
                                    "key": {
                                      "type": "Identifier",
                                      "span": {
                                        "start": 82,
                                        "end": 83,
                                        "ctxt": 0
                                      },
                                      "value": "x",
                                      "optional": false
                                    },
                                    "computed": false,
                                    "optional": false,
                                    "init": null,
                                    "params": [],
                                    "typeAnnotation": {
                                      "type": "TsTypeAnnotation",
                                      "span": {
                                        "start": 83,
                                        "end": 86,
                                        "ctxt": 0
                                      },
                                      "typeAnnotation": {
                                        "type": "TsTypeReference",
                                        "span": {
                                          "start": 85,
                                          "end": 86,
                                          "ctxt": 0
                                        },
                                        "typeName": {
                                          "type": "Identifier",
                                          "span": {
                                            "start": 85,
                                            "end": 86,
                                            "ctxt": 0
                                          },
                                          "value": "T",
                                          "optional": false
                                        },
                                        "typeParams": null
                                      }
                                    },
                                    "typeParams": null
                                  }
                                ]
                              }
                            }
                          }
                        ],
                        "typeAnn": {
                          "type": "TsTypeAnnotation",
                          "span": {
                            "start": 88,
                            "end": 91,
                            "ctxt": 0
                          },
                          "typeAnnotation": {
                            "type": "TsTypeReference",
                            "span": {
                              "start": 90,
                              "end": 91,
                              "ctxt": 0
                            },
                            "typeName": {
                              "type": "Identifier",
                              "span": {
                                "start": 90,
                                "end": 91,
                                "ctxt": 0
                              },
                              "value": "T",
                              "optional": false
                            },
                            "typeParams": null
                          }
                        },
                        "typeParams": {
                          "type": "TsTypeParameterDeclaration",
                          "span": {
                            "start": 72,
                            "end": 75,
                            "ctxt": 0
                          },
                          "parameters": [
                            {
                              "type": "TsTypeParameter",
                              "span": {
                                "start": 73,
                                "end": 74,
                                "ctxt": 0
                              },
                              "name": {
                                "type": "Identifier",
                                "span": {
                                  "start": 73,
                                  "end": 74,
                                  "ctxt": 0
                                },
                                "value": "T",
                                "optional": false
                              },
                              "constraint": null,
                              "default": null
                            }
                          ]
                        }
                      }
                    ]
                  },
                  {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 96,
                      "end": 105,
                      "ctxt": 0
                    },
                    "kind": "undefined"
                  }
                ]
              }
            }
          },
          "init": null,
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 107,
        "end": 143,
        "ctxt": 0
      },
      "kind": "const",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 113,
            "end": 142,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 113,
              "end": 115,
              "ctxt": 0
            },
            "value": "n1",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 115,
                "end": 123,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 117,
                  "end": 123,
                  "ctxt": 0
                },
                "kind": "number"
              }
            }
          },
          "init": {
            "type": "OptionalChainingExpression",
            "span": {
              "start": 126,
              "end": 142,
              "ctxt": 0
            },
            "questionDotToken": {
              "start": 130,
              "end": 131,
              "ctxt": 0
            },
            "base": {
              "type": "CallExpression",
              "span": {
                "start": 126,
                "end": 142,
                "ctxt": 0
              },
              "callee": {
                "type": "OptionalChainingExpression",
                "span": {
                  "start": 126,
                  "end": 130,
                  "ctxt": 0
                },
                "questionDotToken": {
                  "start": 127,
                  "end": 128,
                  "ctxt": 0
                },
                "base": {
                  "type": "MemberExpression",
                  "span": {
                    "start": 126,
                    "end": 130,
                    "ctxt": 0
                  },
                  "object": {
                    "type": "Identifier",
                    "span": {
                      "start": 126,
                      "end": 127,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  },
                  "property": {
                    "type": "Identifier",
                    "span": {
                      "start": 129,
                      "end": 130,
                      "ctxt": 0
                    },
                    "value": "m",
                    "optional": false
                  }
                }
              },
              "arguments": [
                {
                  "spread": null,
                  "expression": {
                    "type": "ObjectExpression",
                    "span": {
                      "start": 133,
                      "end": 141,
                      "ctxt": 0
                    },
                    "properties": [
                      {
                        "type": "KeyValueProperty",
                        "key": {
                          "type": "Identifier",
                          "span": {
                            "start": 134,
                            "end": 135,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false
                        },
                        "value": {
                          "type": "NumericLiteral",
                          "span": {
                            "start": 137,
                            "end": 139,
                            "ctxt": 0
                          },
                          "value": 12.0
                        }
                      }
                    ]
                  }
                }
              ],
              "typeArguments": null
            }
          },
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 210,
        "end": 251,
        "ctxt": 0
      },
      "kind": "const",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 216,
            "end": 250,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 216,
              "end": 218,
              "ctxt": 0
            },
            "value": "n2",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 218,
                "end": 226,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsKeywordType",
                "span": {
                  "start": 220,
                  "end": 226,
                  "ctxt": 0
                },
                "kind": "number"
              }
            }
          },
          "init": {
            "type": "OptionalChainingExpression",
            "span": {
              "start": 229,
              "end": 250,
              "ctxt": 0
            },
            "questionDotToken": {
              "start": 233,
              "end": 234,
              "ctxt": 0
            },
            "base": {
              "type": "CallExpression",
              "span": {
                "start": 229,
                "end": 250,
                "ctxt": 0
              },
              "callee": {
                "type": "OptionalChainingExpression",
                "span": {
                  "start": 229,
                  "end": 233,
                  "ctxt": 0
                },
                "questionDotToken": {
                  "start": 230,
                  "end": 231,
                  "ctxt": 0
                },
                "base": {
                  "type": "MemberExpression",
                  "span": {
                    "start": 229,
                    "end": 233,
                    "ctxt": 0
                  },
                  "object": {
                    "type": "Identifier",
                    "span": {
                      "start": 229,
                      "end": 230,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  },
                  "property": {
                    "type": "Identifier",
                    "span": {
                      "start": 232,
                      "end": 233,
                      "ctxt": 0
                    },
                    "value": "m",
                    "optional": false
                  }
                }
              },
              "arguments": [
                {
                  "spread": null,
                  "expression": {
                    "type": "ObjectExpression",
                    "span": {
                      "start": 236,
                      "end": 249,
                      "ctxt": 0
                    },
                    "properties": [
                      {
                        "type": "KeyValueProperty",
                        "key": {
                          "type": "Identifier",
                          "span": {
                            "start": 237,
                            "end": 238,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false
                        },
                        "value": {
                          "type": "CallExpression",
                          "span": {
                            "start": 240,
                            "end": 248,
                            "ctxt": 0
                          },
                          "callee": {
                            "type": "Identifier",
                            "span": {
                              "start": 240,
                              "end": 246,
                              "ctxt": 0
                            },
                            "value": "absorb",
                            "optional": false
                          },
                          "arguments": [],
                          "typeArguments": null
                        }
                      }
                    ]
                  }
                }
              ],
              "typeArguments": null
            }
          },
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 264,
        "end": 311,
        "ctxt": 0
      },
      "kind": "const",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 270,
            "end": 310,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 270,
              "end": 272,
              "ctxt": 0
            },
            "value": "n3",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 272,
                "end": 292,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsUnionType",
                "span": {
                  "start": 274,
                  "end": 292,
                  "ctxt": 0
                },
                "types": [
                  {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 274,
                      "end": 280,
                      "ctxt": 0
                    },
                    "kind": "number"
                  },
                  {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 283,
                      "end": 292,
                      "ctxt": 0
                    },
                    "kind": "undefined"
                  }
                ]
              }
            }
          },
          "init": {
            "type": "OptionalChainingExpression",
            "span": {
              "start": 295,
              "end": 310,
              "ctxt": 0
            },
            "questionDotToken": {
              "start": 299,
              "end": 300,
              "ctxt": 0
            },
            "base": {
              "type": "CallExpression",
              "span": {
                "start": 295,
                "end": 310,
                "ctxt": 0
              },
              "callee": {
                "type": "OptionalChainingExpression",
                "span": {
                  "start": 295,
                  "end": 299,
                  "ctxt": 0
                },
                "questionDotToken": {
                  "start": 296,
                  "end": 297,
                  "ctxt": 0
                },
                "base": {
                  "type": "MemberExpression",
                  "span": {
                    "start": 295,
                    "end": 299,
                    "ctxt": 0
                  },
                  "object": {
                    "type": "Identifier",
                    "span": {
                      "start": 295,
                      "end": 296,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  },
                  "property": {
                    "type": "Identifier",
                    "span": {
                      "start": 298,
                      "end": 299,
                      "ctxt": 0
                    },
                    "value": "m",
                    "optional": false
                  }
                }
              },
              "arguments": [
                {
                  "spread": null,
                  "expression": {
                    "type": "ObjectExpression",
                    "span": {
                      "start": 302,
                      "end": 309,
                      "ctxt": 0
                    },
                    "properties": [
                      {
                        "type": "KeyValueProperty",
                        "key": {
                          "type": "Identifier",
                          "span": {
                            "start": 303,
                            "end": 304,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false
                        },
                        "value": {
                          "type": "NumericLiteral",
                          "span": {
                            "start": 306,
                            "end": 308,
                            "ctxt": 0
                          },
                          "value": 12.0
                        }
                      }
                    ]
                  }
                }
              ],
              "typeArguments": null
            }
          },
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 328,
        "end": 381,
        "ctxt": 0
      },
      "kind": "const",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 334,
            "end": 380,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 334,
              "end": 336,
              "ctxt": 0
            },
            "value": "n4",
            "optional": false,
            "typeAnnotation": {
              "type": "TsTypeAnnotation",
              "span": {
                "start": 336,
                "end": 356,
                "ctxt": 0
              },
              "typeAnnotation": {
                "type": "TsUnionType",
                "span": {
                  "start": 338,
                  "end": 356,
                  "ctxt": 0
                },
                "types": [
                  {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 338,
                      "end": 344,
                      "ctxt": 0
                    },
                    "kind": "number"
                  },
                  {
                    "type": "TsKeywordType",
                    "span": {
                      "start": 347,
                      "end": 356,
                      "ctxt": 0
                    },
                    "kind": "undefined"
                  }
                ]
              }
            }
          },
          "init": {
            "type": "OptionalChainingExpression",
            "span": {
              "start": 359,
              "end": 380,
              "ctxt": 0
            },
            "questionDotToken": {
              "start": 363,
              "end": 364,
              "ctxt": 0
            },
            "base": {
              "type": "CallExpression",
              "span": {
                "start": 359,
                "end": 380,
                "ctxt": 0
              },
              "callee": {
                "type": "OptionalChainingExpression",
                "span": {
                  "start": 359,
                  "end": 363,
                  "ctxt": 0
                },
                "questionDotToken": {
                  "start": 360,
                  "end": 361,
                  "ctxt": 0
                },
                "base": {
                  "type": "MemberExpression",
                  "span": {
                    "start": 359,
                    "end": 363,
                    "ctxt": 0
                  },
                  "object": {
                    "type": "Identifier",
                    "span": {
                      "start": 359,
                      "end": 360,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  },
                  "property": {
                    "type": "Identifier",
                    "span": {
                      "start": 362,
                      "end": 363,
                      "ctxt": 0
                    },
                    "value": "m",
                    "optional": false
                  }
                }
              },
              "arguments": [
                {
                  "spread": null,
                  "expression": {
                    "type": "ObjectExpression",
                    "span": {
                      "start": 366,
                      "end": 379,
                      "ctxt": 0
                    },
                    "properties": [
                      {
                        "type": "KeyValueProperty",
                        "key": {
                          "type": "Identifier",
                          "span": {
                            "start": 367,
                            "end": 368,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false
                        },
                        "value": {
                          "type": "CallExpression",
                          "span": {
                            "start": 370,
                            "end": 378,
                            "ctxt": 0
                          },
                          "callee": {
                            "type": "Identifier",
                            "span": {
                              "start": 370,
                              "end": 376,
                              "ctxt": 0
                            },
                            "value": "absorb",
                            "optional": false
                          },
                          "arguments": [],
                          "typeArguments": null
                        }
                      }
                    ]
                  }
                }
              ],
              "typeArguments": null
            }
          },
          "definite": false
        }
      ]
    },
    {
      "type": "VariableDeclaration",
      "span": {
        "start": 446,
        "end": 471,
        "ctxt": 0
      },
      "kind": "let",
      "declare": false,
      "declarations": [
        {
          "type": "VariableDeclarator",
          "span": {
            "start": 450,
            "end": 470,
            "ctxt": 0
          },
          "id": {
            "type": "Identifier",
            "span": {
              "start": 450,
              "end": 452,
              "ctxt": 0
            },
            "value": "t1",
            "optional": false,
            "typeAnnotation": null
          },
          "init": {
            "type": "OptionalChainingExpression",
            "span": {
              "start": 455,
              "end": 470,
              "ctxt": 0
            },
            "questionDotToken": {
              "start": 459,
              "end": 460,
              "ctxt": 0
            },
            "base": {
              "type": "CallExpression",
              "span": {
                "start": 455,
                "end": 470,
                "ctxt": 0
              },
              "callee": {
                "type": "OptionalChainingExpression",
                "span": {
                  "start": 455,
                  "end": 459,
                  "ctxt": 0
                },
                "questionDotToken": {
                  "start": 456,
                  "end": 457,
                  "ctxt": 0
                },
                "base": {
                  "type": "MemberExpression",
                  "span": {
                    "start": 455,
                    "end": 459,
                    "ctxt": 0
                  },
                  "object": {
                    "type": "Identifier",
                    "span": {
                      "start": 455,
                      "end": 456,
                      "ctxt": 0
                    },
                    "value": "a",
                    "optional": false
                  },
                  "property": {
                    "type": "Identifier",
                    "span": {
                      "start": 458,
                      "end": 459,
                      "ctxt": 0
                    },
                    "value": "m",
                    "optional": false
                  }
                }
              },
              "arguments": [
                {
                  "spread": null,
                  "expression": {
                    "type": "ObjectExpression",
                    "span": {
                      "start": 462,
                      "end": 469,
                      "ctxt": 0
                    },
                    "properties": [
                      {
                        "type": "KeyValueProperty",
                        "key": {
                          "type": "Identifier",
                          "span": {
                            "start": 463,
                            "end": 464,
                            "ctxt": 0
                          },
                          "value": "x",
                          "optional": false
                        },
                        "value": {
                          "type": "NumericLiteral",
                          "span": {
                            "start": 466,
                            "end": 468,
                            "ctxt": 0
                          },
                          "value": 12.0
                        }
                      }
                    ]
                  }
                }
              ],
              "typeArguments": null
            }
          },
          "definite": false
        }
      ]
    },
    {
      "type": "ExpressionStatement",
      "span": {
        "start": 472,
        "end": 492,
        "ctxt": 0
      },
      "expression": {
        "type": "AssignmentExpression",
        "span": {
          "start": 472,
          "end": 491,
          "ctxt": 0
        },
        "operator": "=",
        "left": {
          "type": "Identifier",
          "span": {
            "start": 472,
            "end": 474,
            "ctxt": 0
          },
          "value": "t1",
          "optional": false,
          "typeAnnotation": null
        },
        "right": {
          "type": "CallExpression",
          "span": {
            "start": 477,
            "end": 491,
            "ctxt": 0
          },
          "callee": {
            "type": "TsNonNullExpression",
            "span": {
              "start": 477,
              "end": 482,
              "ctxt": 0
            },
            "expression": {
              "type": "MemberExpression",
              "span": {
                "start": 477,
                "end": 481,
                "ctxt": 0
              },
              "object": {
                "type": "TsNonNullExpression",
                "span": {
                  "start": 477,
                  "end": 479,
                  "ctxt": 0
                },
                "expression": {
                  "type": "Identifier",
                  "span": {
                    "start": 477,
                    "end": 478,
                    "ctxt": 0
                  },
                  "value": "a",
                  "optional": false
                }
              },
              "property": {
                "type": "Identifier",
                "span": {
                  "start": 480,
                  "end": 481,
                  "ctxt": 0
                },
                "value": "m",
                "optional": false
              }
            }
          },
          "arguments": [
            {
              "spread": null,
              "expression": {
                "type": "ObjectExpression",
                "span": {
                  "start": 483,
                  "end": 490,
                  "ctxt": 0
                },
                "properties": [
                  {
                    "type": "KeyValueProperty",
                    "key": {
                      "type": "Identifier",
                      "span": {
                        "start": 484,
                        "end": 485,
                        "ctxt": 0
                      },
                      "value": "x",
                      "optional": false
                    },
                    "value": {
                      "type": "NumericLiteral",
                      "span": {
                        "start": 487,
                        "end": 489,
                        "ctxt": 0
                      },
                      "value": 12.0
                    }
                  }
                ]
              }
            }
          ],
          "typeArguments": null
        }
      }
    }
  ],
  "interpreter": null
}