KaptchaField component's visible parameter.BeanBlockSource service configuration.KaptchaImage to ensure that the user has provided
the correct value.Producer interface, adding property for getting the Kaptcha image
width and height (used when rendering the <img> element).KaptchaModule and related components.String names in this object.Set view of the keys contained in this JSONObject.5.6.4 - Copyright © 2003-2021 The Apache Software Foundation.