private static void noEnumArgs(String method, int... argSlots) {
        IntMap<Void> argSlotsMap = new IntMap<>();
        for (int argSlot : argSlots) {
            argSlotsMap.put(argSlot, null);
        }
        nonEnumArgMap.put(method, argSlotsMap);
    }
Utility class that allows tracing of OpenGL calls generated by the engine.

@author Kirill Vainer
jme3-core/src/main/java/com/jme3/renderer/opengl/GLTracer.java