diff --git a/cli2/src/main/java/org/onosproject/cli2/AbstractChoicesCompleter.java b/cli2/src/main/java/org/onosproject/cli2/AbstractChoicesCompleter.java
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+++ b/cli2/src/main/java/org/onosproject/cli2/AbstractChoicesCompleter.java
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+/*
+ * Copyright 2015-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.cli2;
+
+import org.apache.karaf.shell.api.console.CommandLine;
+import org.apache.karaf.shell.api.console.Session;
+import org.apache.karaf.shell.support.completers.StringsCompleter;
+
+import java.util.List;
+import java.util.SortedSet;
+
+/**
+ * Abstraction of a completer with preset choices.
+ */
+public abstract class AbstractChoicesCompleter extends AbstractCompleter {
+
+    protected abstract List<String> choices();
+
+    @Override
+    public int complete(Session session, CommandLine commandLine, List<String> candidates) {
+        StringsCompleter delegate = new StringsCompleter();
+        SortedSet<String> strings = delegate.getStrings();
+        choices().forEach(strings::add);
+        return delegate.complete(session, commandLine, candidates);
+    }
+
+}