public int compareMax(AddressRangeManager mgr) {
			return range.getMaxAddress().compareTo(mgr.range.getMaxAddress());
		}
Makes this manager's begin range equal to that of the given manager's end range plus
one so that this manager's next range is after the current range. The given manager's
range is advanced to its next range. This method returns
the current range shared by both managers before truncation. 
@param manager The manager whose end range this manager will use for its beginning range. 
@return The current range shared by the two managers.
Ghidra/Features/Base/src/main/java/ghidra/program/util/CombinedAddressRangeIterator.java