{ "type": "Script", "span": { "start": 53, "end": 193, "ctxt": 0 }, "body": [ { "type": "ClassDeclaration", "identifier": { "type": "Identifier", "span": { "start": 59, "end": 60, "ctxt": 0 }, "value": "B", "optional": false }, "declare": false, "span": { "start": 53, "end": 63, "ctxt": 0 }, "decorators": [], "body": [], "superClass": null, "isAbstract": false, "typeParams": null, "superTypeParams": null, "implements": [] }, { "type": "EmptyStatement", "span": { "start": 63, "end": 64, "ctxt": 0 } }, { "type": "ClassDeclaration", "identifier": { "type": "Identifier", "span": { "start": 71, "end": 72, "ctxt": 0 }, "value": "A", "optional": false }, "declare": false, "span": { "start": 65, "end": 193, "ctxt": 0 }, "decorators": [], "body": [ { "type": "PrivateProperty", "span": { "start": 89, "end": 92, "ctxt": 0 }, "key": { "type": "PrivateName", "span": { "start": 89, "end": 91, "ctxt": 0 }, "id": { "type": "Identifier", "span": { "start": 90, "end": 91, "ctxt": 0 }, "value": "x", "optional": false } }, "value": null, "typeAnnotation": null, "isStatic": false, "decorators": [], "computed": false, "accessibility": null, "isAbstract": false, "isOptional": false, "isOverride": false, "readonly": false, "definite": false }, { "type": "Constructor", "span": { "start": 97, "end": 191, "ctxt": 0 }, "key": { "type": "Identifier", "span": { "start": 97, "end": 108, "ctxt": 0 }, "value": "constructor", "optional": false }, "params": [], "body": { "type": "BlockStatement", "span": { "start": 111, "end": 191, "ctxt": 0 }, "stmts": [ { "type": "ExpressionStatement", "span": { "start": 121, "end": 128, "ctxt": 0 }, "expression": { "type": "UnaryExpression", "span": { "start": 121, "end": 127, "ctxt": 0 }, "operator": "void", "argument": { "type": "NumericLiteral", "span": { "start": 126, "end": 127, "ctxt": 0 }, "value": 0.0 } } }, { "type": "ExpressionStatement", "span": { "start": 177, "end": 185, "ctxt": 0 }, "expression": { "type": "CallExpression", "span": { "start": 177, "end": 184, "ctxt": 0 }, "callee": { "type": "Super", "span": { "start": 177, "end": 182, "ctxt": 0 } }, "arguments": [], "typeArguments": null } } ] }, "accessibility": null, "isOptional": false } ], "superClass": { "type": "Identifier", "span": { "start": 81, "end": 82, "ctxt": 0 }, "value": "B", "optional": false }, "isAbstract": false, "typeParams": null, "superTypeParams": null, "implements": [] } ], "interpreter": null }