new DescriptorSupport(new String[] {"Name", "Rank", "SquareS",
"NULL", "NuMbErS"},
new Object[] {"Foo McBar", "lowly",
squares.clone(), null,
numbers});
Descriptor sq3 = (Descriptor) sq2.clone();
Descriptor sq4 = ImmutableDescriptor.union(sq1, sq2);
String[] names = sq1.getFieldNames();
Object[] values = sq1.getFieldValues((String[]) null);
Object[] values2 = sq1.getFieldValues(names);