+ /**
+ * The captcha background
+ */
+ public string $captchaBackground;
+
+ /**
+ * The captcha fill
+ */
+ public string $captchaFill;
+
+ /**
+ * The captcha font size
+ */
+ public int $captchaFontSize;
+
+ /**
+ * The captcha stroke
+ */
+ public string $captchaStroke;
+
+ /**
+ * The captcha stroke width
+ */
+ public int $captchaStrokeWidth;
+