default Scalar asScalar() throws ConfiguratorException {
        throw new ConfiguratorException("Item isn't a Scalar");
    }
A configuration Node in yaml tree.
(We didn't used <em>Node</em> as class name to avoid collision with commonly used Jenkins class hudson.model.Node
@author <a href="mailto:nicolas.deloof@gmail.com">Nicolas De Loof</a>
plugin/src/main/java/io/jenkins/plugins/casc/model/CNode.java