@Override
		public String toString() {
			return "Generated Color Provider " + userHighlights.getAppliedColorsString();
		}
If input token is a parenthesis, highlight all tokens between it and its match
@param tok potential parenthesis token
@param highlightColor the highlight color
@return a list of all tokens that were highlighted.
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/component/ClangHighlightController.java