code: @Nonnull
    public static EbInterfaceWriter <Ebi40InvoiceType> ebInterface40 ()
    {
      final EbInterfaceWriter <Ebi40InvoiceType> ret = EbInterfaceWriter.create (Ebi40InvoiceType.class);
      ret.setNamespaceContext (EbInterface40NamespaceContext.getInstance ());
      return ret;
    }
docs: Create a writer builder for Ebi40InvoiceType.
  
  @return The builder and never <code>null</code>