{ "type": "Script", "span": { "start": 61, "end": 160, "ctxt": 0 }, "body": [ { "type": "ClassDeclaration", "identifier": { "type": "Identifier", "span": { "start": 67, "end": 68, "ctxt": 0 }, "value": "B", "optional": false }, "declare": false, "span": { "start": 61, "end": 71, "ctxt": 0 }, "decorators": [], "body": [], "superClass": null, "isAbstract": false, "typeParams": null, "superTypeParams": null, "implements": [] }, { "type": "ClassDeclaration", "identifier": { "type": "Identifier", "span": { "start": 78, "end": 79, "ctxt": 0 }, "value": "A", "optional": false }, "declare": false, "span": { "start": 72, "end": 160, "ctxt": 0 }, "decorators": [], "body": [ { "type": "PrivateProperty", "span": { "start": 96, "end": 99, "ctxt": 0 }, "key": { "type": "PrivateName", "span": { "start": 96, "end": 98, "ctxt": 0 }, "id": { "type": "Identifier", "span": { "start": 97, "end": 98, "ctxt": 0 }, "value": "x", "optional": false } }, "value": null, "typeAnnotation": null, "isStatic": false, "decorators": [], "accessibility": null, "isOptional": false, "isOverride": false, "readonly": false, "definite": false }, { "type": "Constructor", "span": { "start": 104, "end": 158, "ctxt": 0 }, "key": { "type": "Identifier", "span": { "start": 104, "end": 115, "ctxt": 0 }, "value": "constructor", "optional": false }, "params": [], "body": { "type": "BlockStatement", "span": { "start": 118, "end": 158, "ctxt": 0 }, "stmts": [ { "type": "ExpressionStatement", "span": { "start": 128, "end": 135, "ctxt": 0 }, "expression": { "type": "UnaryExpression", "span": { "start": 128, "end": 134, "ctxt": 0 }, "operator": "void", "argument": { "type": "NumericLiteral", "span": { "start": 133, "end": 134, "ctxt": 0 }, "value": 0.0 } } }, { "type": "ExpressionStatement", "span": { "start": 144, "end": 152, "ctxt": 0 }, "expression": { "type": "CallExpression", "span": { "start": 144, "end": 151, "ctxt": 0 }, "callee": { "type": "Super", "span": { "start": 144, "end": 149, "ctxt": 0 } }, "arguments": [], "typeArguments": null } } ] }, "accessibility": null, "isOptional": false } ], "superClass": { "type": "Identifier", "span": { "start": 88, "end": 89, "ctxt": 0 }, "value": "B", "optional": false }, "isAbstract": false, "typeParams": null, "superTypeParams": null, "implements": [] } ], "interpreter": null }