public void GetKeyValuesUnitTest()
        {
            Assert.Inconclusive("TODO");

            var target = new RangeIndex();                                                             // TODO: Initialize to an appropriate value
            IEnumerable <KeyValuePair <object, ReadOnlyCollection <AGraphElement> > > expected = null; // TODO: Initialize to an appropriate value
            IEnumerable <KeyValuePair <object, ReadOnlyCollection <AGraphElement> > > actual;

            actual = target.GetKeyValues();
            Assert.AreEqual(expected, actual);
        }