ofxGui Slider Deferencing Should be Const

I am unable to return the deferenced value of an ofxGui slider from within a function marked as const. See the example code below. Please know that I am aware that I would be better off using an ofParameter instead of directly using ofxIntSlider. That said, dereferencing ofxGui sliders would still be better off as const friendly.

Example Header:

#include "ofxGui.h"

class Parameters {
	ofxPanel gui_panel;
	ofxIntSlider example_slider;
	
public:
	Parameters();
	int get_example_slider() const;
};

Example Cpp:

#include "Parameters.h"

Parameters::Parameters() {
	gui_panel.setup();
	gui_panel.add(example_slider.setup("Example Slider", 4, 0, 15));
}

int Parameters::get_avoidance_multiplier() const {
	// ### THIS IS THE PROBLEM LINE:
	return example_slider; // Works fine when function isn't const.
}

Start by locating the ofxGui slider implementation and its dereference or conversion operator. Reproduce the example with get_example_slider() marked const, then inspect existing tests or usage for the expected const behavior. Done means a const Parameters accessor can return the slider value without removing const, with the relevant test or example passing.