ParameterizedClassDesc pcd = pd.getParameterizedClassDesc();
        assertThat(pcd.getRawClass(), is(sameClass(Map.class)));
        assertThat(pcd.getArguments().length, is(2));
        assertThat(pcd.getArguments()[0].getRawClass(), is(sameClass(String.class)));
        assertThat(pcd.getArguments()[1].getRawClass(), is(sameClass(Date.class)));

        pd = bd.getPropertyDesc("hege");
        assertThat(pd.isParameterized(), is(true));

        if (!Collection.class.isAssignableFrom(propertyType) || !isParameterized()) {
            return null;
        }
        final ParameterizedClassDesc pcd = parameterizedClassDesc.getArguments()[0];
        if (pcd == null) {
            return null;
        }
        return pcd.getRawClass();
    }

    @Override
    public Class<?> getKeyClassOfMap() {

        // First call should resolve two (offset=0,length=2)
        doAnswer(inv -> {
            // Simulate resolve call by setting names/types and thus enabling cache population
            Object[] args = inv.getArguments();
            String server = (String) args[0];
            CIFSContext c = (CIFSContext) args[1];
            assertNull(server); // We will pass null; method should forward it unchanged
            assertSame(ctx, c);