--- /dev/null
+package org.apache.lucene.queryParser.core.config;
+
+import org.apache.lucene.util.Attribute;
+
+/**
+ * This class should be used by every class that extends {@link Attribute} to
+ * configure a {@link QueryConfigHandler}. It will be removed soon, it is only
+ * used during the transition from old configuration API to new configuration
+ * API.
+ *
+ * @deprecated
+ */
+@Deprecated
+public interface ConfigAttribute {
+
+ void setQueryConfigHandler(AbstractQueryConfig config);
+
+}