Interface ScreenfullCallbacks

interface ScreenfullCallbacks {
    onChange?: (state: ScreenfullState) => void;
    onEnter?: (state: ScreenfullState) => void;
    onError?: (error: ScreenfullError) => void;
    onExit?: (state: ScreenfullState) => void;
    onFallback?: (state: ScreenfullState) => void;
}