private void loadSymbolMapInfo(String symbolMapIdentifier, LongLongHashtable mapToLoadInto) {
		LongLongHashtable resolvedSymbols =
			(LongLongHashtable) mergeManager.getResolveInformation(symbolMapIdentifier);
		long[] symbolKeys = resolvedSymbols.getKeys();
		for (long key : symbolKeys) {
			try {
				mapToLoadInto.put(key, resolvedSymbols.get(key));
			}
			catch (NoValueException e) {
				continue;
			}
		}
		symbolKeys = null;
		resolvedSymbols = null;
	}
Determine the type of changes to the symbols in the LATEST and MY (CheckedOut) program.
Changes can be symbol removed, added, changed, renamed, and set to primary.
@param monitor task monitor for displaying progress to the user
@throws CancelledException if the user cancels the merge.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/SymbolMerger.java