@Override
        public NestedBean14 getNestedBean() {
            return nestedBean14;
        }
Test that propagateNull is bubbled up. If the property in the nested bean is null, not only null out the nested bean but the prent bean as well. Use an
explicit prefix for the nested bean ('n').
core/src/test/java/org/jdbi/v3/core/mapper/PropagateNullTest.java