Elytron kerberos-security-factory debug attribute type

            "kerberos-security-factory" => {
                "description" => "A security factory for obtaining a GSSCredential for use during authentication.",
                "model-description" => {"*" => {
                    "description" => "A security factory for obtaining a GSSCredential for use during authentication.",
                    "capabilities" => [{
                        "name" => "org.wildfly.security.security-factory.credential",
                        "dynamic" => true
                    }],
                    "attributes" => {
                        "debug" => {
                            "type" => STRING,
                            "description" => "Should the JAAS step of obtaining the credential have debug logging enabled.",
                            "expressions-allowed" => true,
                            "required" => false,
                            "nillable" => true,
                            "default" => false,
                            "min-length" => 1L,
                            "max-length" => 2147483647L,
                            "access-type" => "read-write",
                            "storage" => "configuration",
                            "restart-required" => "resource-services"
                        },

                <xs:attribute name="debug" type="xs:boolean" default="false">
                    <xs:annotation>
                        <xs:documentation>
                            Should the JAAS step of obtaining the credential have debug logging enabled.
                        </xs:documentation>
                    </xs:annotation>
                </xs:attribute>