What version of React does a detached Outsystems application use

Question

I've inherited a set of solutions. The system was originally built using OutSystems but then the company I'm contracting with decided to stop using OutSystems. They were able to get the code from OutSystems. When that happens Outsystems calls it a detached system. I see that it's using some version of React but can't find anything online that looks like the code I'm looking at in my inherited solution.

This is the kind of thing I see in the code that I've inherited. And I just can't find anything about React online that looks like this so I don't know what version it is. If I could figure that out I think it'd make my google searches more efficient.

 React.createElement(OSWidgets.Input, {
    _validationProps: {
        validationService: validationService
    }
    ,
    enabled: true,
    gridProperties: {
        classes: "ThemeGrid_Width11"
    }
    ,
    inputType:/*Text*/ 0,
    mandatory: false,
    maxLength: 50,
    style: "form-control upperinput",
    variable: model.createVariable(someIDNumber, function(value) {
        someIDNumber = value;
    }),
    _idProps: {
        service: idService,
        name: "Input_vIDNumber"
    }
    ,
    _widgetRecordProvider: widgetsRecordProvider
})),