public Set<DecompilerHighlighter> getSecondaryHighlighters(Function function) {
		return userHighlights.getSecondaryHighlighters(function);
	}
Returns all secondary highlighters for the given function.   This allows clients to update
the secondary highlight state of a given function without affecting highlights applied to
other functions.
@param function the function
@return the highlighters
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/component/ClangHighlightController.java