public void addHighlighterHighlights(DecompilerHighlighter highlighter,
			Supplier<? extends Collection<ClangToken>> tokens, ColorProvider colorProvider) {

		Objects.requireNonNull(highlighter);
		TokenHighlights highlighterTokens = userHighlights.add(highlighter);
		addTokensToHighlights(tokens.get(), colorProvider, highlighterTokens);
	}
Adds the given secondary highlighter, but does not create any highlights.  All secondary
highlighters pertain to a given function.
@param function the function
@param highlighter the highlighter
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/component/ClangHighlightController.java