@Override
						public K next() {
							T value = valueIterator.next();
							return codec.getValue(value);
						}
Iterate over the values of the indexed column, in order

<p>
Despite being called keys, the values may not be unique

@return the iterator
Ghidra/Debug/ProposedUtils/src/main/java/ghidra/util/database/DBCachedObjectIndex.java