unknown givens value type

Author: panhongx

improveai/src/main/java/ai/improve/DecisionModel.java

@@ -413,7 +413,7 @@ public Object random(Object...variants) {
      *              its feature vector.
      * @return A DecisionContext object.
      */
-    public DecisionContext given(Map<String, Object> givens) {
+    public DecisionContext given(Map<String, ?> givens) {
         return new DecisionContext(this, givens);
     }
 

improveai/src/test/java/ai/improve/DecisionModelTest.java

@@ -463,9 +463,12 @@ public void testDescendingGaussians() throws Exception {
 
     @Test
     public void testGiven() {
-        Map<String, Object> given = new HashMap<>();
+        Map<String, Object> givens = new HashMap<>();
         DecisionModel decisionModel = new DecisionModel("music");
-        decisionModel.given(given);
+        decisionModel.given(givens);
+
+        decisionModel.given(Map.of("lang", "en"));
+        decisionModel.given(Map.of("size", 1));
     }
 
     @Test