1 files changed, 16 insertions, 0 deletions

diff --git a/subprojects/logic/src/main/java/tools/refinery/logic/dnf/callback/ClauseCallback4Data4.java b/subprojects/logic/src/main/java/tools/refinery/logic/dnf/callback/ClauseCallback4Data4.java
new file mode 100644
index 00000000..46f8fbe9
--- /dev/null
+++ b/subprojects/logic/src/main/java/tools/refinery/logic/dnf/callback/ClauseCallback4Data4.java
@@ -0,0 +1,16 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.logic.dnf.callback;
+
+import tools.refinery.logic.literal.Literal;
+import tools.refinery.logic.term.DataVariable;
+
+import java.util.Collection;
+
+@FunctionalInterface
+public interface ClauseCallback4Data4<T1, T2, T3, T4> {
+        Collection<Literal> toLiterals(DataVariable<T1> d1, DataVariable<T2> d2, DataVariable<T3> d3, DataVariable<T4> d4);
+}