private void saveTypeConflict(Address address, int opIndex) {
		ArrayList<Integer> opIndexes = typeConflicts.get(address);
		if (opIndexes == null) {
			opIndexes = new ArrayList<>();
			typeConflicts.put(address, opIndexes);
		}
		opIndexes.add(Integer.valueOf(opIndex));
		conflictSet.addRange(address, address);
	}
@param program
@param fromAddress
@param operandIndex
@return
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/ReferenceMerger.java