rust-qt-binding-generator/bindings.json

{
    "cppfile": "src/tmp.cpp",
    "objects": [{
        "name": "Test",
        "properties": [{
            "name": "userName",
            "type": "QString",
            "write": true
        }, {
            "name": "age",
            "type": "int"
        }, {
            "name": "active",
            "type": "bool",
            "write": true
        }, {
            "name": "misc",
            "type": "QVariant",
            "write": true
        }]
    }]
}