1. madshapR::madshapR_DEMO
    Built-in material allowing the user to test the package with demo data
  2. madshapR::valueType_list
    Built-in data frame of allowed valueType values
  3. mlstrOpalr::valueType_list
    Built-in tibble of allowed valueType values
  4. Rmonize::Rmonize_DEMO
    Demo objects to provide illustrative examples