--- /dev/null
+/*
+ * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.thirdparty.plugin;
+
+import org.opendaylight.yangtools.yang.model.api.stmt.UnknownStatement;
+
+/**
+ * Public declared statement definition that this plugin supports. This interface should generally depend only on
+ * concepts defined in yang-model-api.
+ */
+public interface ThirdPartyExtensionStatement extends UnknownStatement<String> {
+
+}