private void clearNonDiffHighlight(ClangToken clangToken) {
		if (diffTokenSet.contains(clangToken)) {
			clangToken.setHighlight(comparisonOptions.getDiffHighlightColor());
		}
		else {
			clangToken.setHighlight(null);
		}
		if (clangToken.isMatchingToken()) {
			clangToken.setMatchingToken(false);
		}
	}
Class to handle Function Difference highlights for a decompiled function.
Ghidra/Features/CodeCompare/src/main/java/ghidra/features/codecompare/decompile/DiffClangHighlightController.java