static extern void _showActionSheet( string title, string cancelBtnTitle, string destructiveButtonTitle, string otherBtnTitles, IGUtils.ActionIntCallbackDelegate callback, IntPtr callbackPtr);
static extern void _showActionSheet(string title, string message, string cancelButtonTitle, string destructiveButtonTitle, string otherBtnTitles, int posX, int posY, IGUtils.ActionIntCallbackDelegate buttonCallback, IntPtr buttonPtr, IGUtils.ActionVoidCallbackDelegate callback, IntPtr cancelPtr, IntPtr destructivePtr);
static extern void _authenticateWithBiometrics(string reason, int policy, IGUtils.ActionVoidCallbackDelegate successCallBack, IGUtils.ActionIntCallbackDelegate failureCallBack, IntPtr successPtr, IntPtr failurePtr);