{ "type": "File", "start":0,"end":37,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}}, "program": { "type": "Program", "start":0,"end":37,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}}, "sourceType": "script", "interpreter": null, "body": [ { "type": "ClassDeclaration", "start":0,"end":37,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"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":37,"loc":{"start":{"line":1,"column":8},"end":{"line":3,"column":1}}, "body": [ { "type": "ClassPrivateMethod", "start":12,"end":35,"loc":{"start":{"line":2,"column":2},"end":{"line":2,"column":25}}, "static": false, "key": { "type": "PrivateName", "start":12,"end":16,"loc":{"start":{"line":2,"column":2},"end":{"line":2,"column":6}}, "id": { "type": "Identifier", "start":13,"end":16,"loc":{"start":{"line":2,"column":3},"end":{"line":2,"column":6},"identifierName":"foo"}, "name": "foo" } }, "kind": "method", "value": { "type": "FunctionExpression", "start":16,"end":35,"loc":{"start":{"line":2,"column":6},"end":{"line":2,"column":25}}, "id": null, "generator": false, "async": false, "expression": false, "params": [ { "type": "Identifier", "start":17,"end":20,"loc":{"start":{"line":2,"column":7},"end":{"line":2,"column":10},"identifierName":"arg"}, "name": "arg" }, { "type": "RestElement", "start":22,"end":31,"loc":{"start":{"line":2,"column":12},"end":{"line":2,"column":21}}, "argument": { "type": "Identifier", "start":25,"end":31,"loc":{"start":{"line":2,"column":15},"end":{"line":2,"column":21},"identifierName":"others"}, "name": "others" } } ], "body": { "type": "BlockStatement", "start":33,"end":35,"loc":{"start":{"line":2,"column":23},"end":{"line":2,"column":25}}, "body": [] } } } ] } } ] } }