rust-qt-binding-generator/templates/qt_quick_cargo/bindings.json

{
    "cppFile": "Bindings.cpp",
    "rust": {
        "dir": "",
        "interfaceModule": "interface",
        "implementationModule": "implementation"
    },
    "objects": {
        "Simple": {
            "type": "Object",
            "properties": {
                "message": {
                    "type": "QString",
                    "write": true
                }
            }
        }
    }
}