@Override
public SampleElements<Map.Entry<String, CompletableFuture<String>>> samples() {
  return new SampleElements<>(
      Helpers.mapEntry("one", JAN),
      Helpers.mapEntry("two", FEB),
      Helpers.mapEntry("three", MARCH),
      Helpers.mapEntry("four", APRIL),
      Helpers.mapEntry("five", MAY));
}
 

@Override
public SampleElements<Map.Entry<String, String>> samples() {
    return SampleElements.mapEntries(
            new SampleElements<>("key1", "key2", "key3", "key4", "key5"),
            new SampleElements<>("val1", "val2", "val3", "val4", "val5")
    );
}
 

@Override
public SampleElements<Statement> samples() {
	return new SampleElements<>(st0, st1, st2, st3, st4);
}
 

@Override
public SampleElements<LinkedValue> samples() {
  return new SampleElements<LinkedValue>(b, a, c, d, e);
}
 

public SampleElements<String> samples()
{
    return new SampleElements<>("Elani", "von", "der", "Schavener", "Heide");
}