{ "type": "File", "start":0,"end":56,"loc":{"start":{"line":1,"column":0},"end":{"line":5,"column":1}}, "program": { "type": "Program", "start":0,"end":56,"loc":{"start":{"line":1,"column":0},"end":{"line":5,"column":1}}, "sourceType": "module", "interpreter": null, "body": [ { "type": "ClassDeclaration", "start":0,"end":56,"loc":{"start":{"line":1,"column":0},"end":{"line":5,"column":1}}, "id": { "type": "Identifier", "start":6,"end":7,"loc":{"start":{"line":1,"column":6},"end":{"line":1,"column":7},"identifierName":"A"}, "name": "A" }, "superClass": null, "body": { "type": "ClassBody", "start":8,"end":56,"loc":{"start":{"line":1,"column":8},"end":{"line":5,"column":1}}, "body": [ { "type": "ClassMethod", "start":12,"end":54,"loc":{"start":{"line":2,"column":2},"end":{"line":4,"column":3}}, "static": false, "key": { "type": "Identifier", "start":12,"end":23,"loc":{"start":{"line":2,"column":2},"end":{"line":2,"column":13},"identifierName":"constructor"}, "name": "constructor" }, "computed": false, "kind": "constructor", "id": null, "generator": false, "async": false, "params": [], "predicate": null, "returnType": { "type": "TypeAnnotation", "start":25,"end":33,"loc":{"start":{"line":2,"column":15},"end":{"line":2,"column":23}}, "typeAnnotation": { "type": "GenericTypeAnnotation", "start":27,"end":33,"loc":{"start":{"line":2,"column":17},"end":{"line":2,"column":23}}, "typeParameters": null, "id": { "type": "Identifier", "start":27,"end":33,"loc":{"start":{"line":2,"column":17},"end":{"line":2,"column":23},"identifierName":"Object"}, "name": "Object" } } }, "body": { "type": "BlockStatement", "start":34,"end":54,"loc":{"start":{"line":2,"column":24},"end":{"line":4,"column":3}}, "body": [ { "type": "ReturnStatement", "start":40,"end":50,"loc":{"start":{"line":3,"column":4},"end":{"line":3,"column":14}}, "argument": { "type": "ObjectExpression", "start":47,"end":49,"loc":{"start":{"line":3,"column":11},"end":{"line":3,"column":13}}, "properties": [] } } ], "directives": [] } } ] } } ], "directives": [] } }