--- /dev/null
+package org.argeo.api.acr.search;
+
+import javax.xml.namespace.QName;
+
+/** Whether this property is defined. */
+public class IsDefined implements Constraint {
+ final QName prop;
+
+ public IsDefined(QName prop) {
+ this.prop = prop;
+ }
+
+ public QName getProp() {
+ return prop;
+ }
+}