void apply() {
		conflictOption = conflictPanel.getSelectedOptions();

		// If the "Use For All" check box is selected 
		// then save the option chosen for this conflict type.
		if (conflictPanel.getUseForAll()) {
			contextChoice = conflictOption;
		}

		merge(min, max, resultReg);
	}
Creates a RegisterMergeManager.
@param registerName
@param mergeManager
@param resultPgm the program to be updated with the result of the merge.
@param originalPgm the program that was checked out.
@param latestPgm the latest checked-in version of the program.
@param myPgm the program requesting to be checked in.
@param latestChanges the address set of changes between original and latest versioned program.  
@param myChanges the address set of changes between original and my modified program.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/RegisterMergeManager.java