@Override
	public void cancel() {
		conflictOption = CANCELED;
	}
Construct a new manager for merging trees
@param mergeManager the program merge manager
@param resultProgram latest version of the Program that is the 
destination for changes applied from the source program
@param myProgram source of changes to apply to the destination
program
@param originalProgram program that was originally checked out
@param latestProgram program that is the latest version; the
resultProgram and latestProgram start out as being identical
@param latestChangeSet change set of the destination program
@param myChangeSet change set for the source program
Ghidra/Features/Base/src/main/java/ghidra/app/merge/tree/ProgramTreeMergeManager.java