--- /dev/null
+/*
+ * Copyright (c) 2024 PANTHEON.tech, 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.mdsal.dom.api;
+
+/**
+ * Common interface between {@link DOMActionImplementation} and {@link DOMRpcImplementation}.
+ */
+public sealed interface DOMOperationImplementation permits DOMActionImplementation, DOMRpcImplementation {
+ /**
+ * Return the relative invocation cost of this implementation. Default implementation returns 0.
+ *
+ * @return Non-negative cost of invoking this implementation.
+ */
+ default long invocationCost() {
+ return 0;
+ }
+}