public static int fromJmeKeyCode(final int jmeKey) {
        for (int i = 0; i < GLFW_TO_JME_KEY_MAP.length; i++) {
            if (GLFW_TO_JME_KEY_MAP[i] == jmeKey) return i;
        }
        return GLFW_KEY_UNKNOWN;
    }
Returns the glfw keycode that matches the specified jme keycode or
GLFW_KEY_UNKNOWN if there isn't any match.

@param jmeKey the jme keycode
jme3-lwjgl3/src/main/java/com/jme3/input/lwjgl/GlfwKeyMap.java