[
    {
        "type": "interface",
        "name": "Union",
        "partial": false,
        "members": [
            {
                "type": "attribute",
                "static": false,
                "stringifier": false,
                "inherit": false,
                "readonly": false,
                "idlType": {
                    "sequence": false,
                    "generic": null,
                    "nullable": false,
                    "array": false,
                    "union": true,
                    "idlType": [
                        {
                            "sequence": false,
                            "generic": null,
                            "nullable": false,
                            "array": false,
                            "union": false,
                            "idlType": "float"
                        },
                        {
                            "sequence": false,
                            "generic": null,
                            "nullable": false,
                            "array": false,
                            "union": true,
                            "idlType": [
                                {
                                    "sequence": false,
                                    "generic": null,
                                    "nullable": false,
                                    "array": false,
                                    "union": false,
                                    "idlType": "Date"
                                },
                                {
                                    "sequence": false,
                                    "generic": null,
                                    "nullable": false,
                                    "array": false,
                                    "union": false,
                                    "idlType": "Event"
                                }
                            ]
                        },
                        {
                            "sequence": false,
                            "generic": null,
                            "nullable": true,
                            "array": false,
                            "union": true,
                            "idlType": [
                                {
                                    "sequence": false,
                                    "generic": null,
                                    "nullable": false,
                                    "array": false,
                                    "union": false,
                                    "idlType": "Node"
                                },
                                {
                                    "sequence": false,
                                    "generic": null,
                                    "nullable": false,
                                    "array": false,
                                    "union": false,
                                    "idlType": "DOMString"
                                }
                            ]
                        }
                    ]
                },
                "name": "test",
                "extAttrs": []
            }
        ],
        "inheritance": null,
        "extAttrs": []
    }
]