void ScExternalDataProvidersObj::insertByIndex(sal_Int32 nIndex, const css::uno::Any& rAny)
{
    // need a way to map to internal object here

    // Create a new Data Source :- To do so we need rUrl, rProvider, mpDoc.
    // However we are taking nIndex and rAny as arguments. Why is it so?
    const sc::ExternalDataSource *externalDataSource = new sc::ExternalDataSource(OUString("rUrl"), OUString("rProvider"), mpDoc);

    // Call insertDataSource :- Is this correct?
    mpDoc->GetExternalDataMapper().insertDataSource(*externalDataSource);

}