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-rw-r--r--src/jrummikub/ai/fdsolver/Constraint.java5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/jrummikub/ai/fdsolver/Constraint.java b/src/jrummikub/ai/fdsolver/Constraint.java
new file mode 100644
index 0000000..0d4071d
--- /dev/null
+++ b/src/jrummikub/ai/fdsolver/Constraint.java
@@ -0,0 +1,5 @@
+package jrummikub.ai.fdsolver;
+
+public interface Constraint {
+
+}