1 files changed, 14 insertions, 0 deletions

diff --git a/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/callback/RuleCallback2.java b/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/callback/RuleCallback2.java
new file mode 100644
index 00000000..7b02b68a
--- /dev/null
+++ b/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/callback/RuleCallback2.java
@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.store.dse.transition.callback;
+
+import tools.refinery.store.dse.transition.RuleBuilder;
+import tools.refinery.store.query.term.NodeVariable;
+
+@FunctionalInterface
+public interface RuleCallback2 {
+        void accept(RuleBuilder builder, NodeVariable p1, NodeVariable p2);
+}