private void initializeMergers() {
		externalFunctionMerger =
			new ExternalFunctionMerger(this, mergeManager.isShowListingPanel());
		cuMerge = new CodeUnitMerger(this);
		functionMerger = new FunctionMerger(this);
		symbolMerger = new SymbolMerger(this);
		equateMerger = new EquateMerger(this);
		userPropertyMerger = new UserDefinedPropertyMerger(this);
		referenceMerger = new ReferenceMerger(this);
		commentMerger = new CommentMerger(this);
		bookmarkMerger = new BookmarkMerger(this);
		functionTagMerger = new FunctionTagListingMerger(this);
	}
Creates all of the individual mergers that are used by the ListingMergeManager.
Each of these listing mergers will autoMerge() non-conflicting changes and will
determine conflicts. The conflicts are handled later by calling manualMerge().
Ghidra/Features/Base/src/main/java/ghidra/app/merge/listing/ListingMergeManager.java