One more tweak post #4515 to remove non-visible implicit factory methods (#4549)

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/databind/introspect/POJOPropertiesCollector.java

@@ -713,6 +713,9 @@ protected void _addCreators(Map<String, POJOPropertyBuilder> props)
         }
 
         // Anything else left, add as possible implicit Creators
+        // ... but first, trim non-visible
+        _removeNonVisibleCreators(constructors);
+        _removeNonVisibleCreators(factories);
         creators.setImplicitDelegating(constructors, factories);
 
         // And finally add logical properties for the One Properties-based
@@ -765,6 +768,17 @@ private void _removeDisabledCreators(List<PotentialCreator> ctors)
         }
     }
 
+    private void _removeNonVisibleCreators(List<PotentialCreator> ctors)
+    {
+        Iterator<PotentialCreator> it = ctors.iterator();
+        while (it.hasNext()) {
+            PotentialCreator ctor = it.next();
+            if (!_visibilityChecker.isCreatorVisible(ctor.creator())) {
+                it.remove();
+            }
+        }
+    }
+
     private void _removeNonFactoryStaticMethods(List<PotentialCreator> ctors)
     {
         final Class<?> rawType = _type.getRawClass();