assertThat(MethodUtil.getElementTypeOfCollectionFromReturnType(m), is(sameClass(String.class)));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetKeyTypeOfMapFromParameterType() throws Exception {
        Method m = Baz.class.getMethod("rawMap", Map.class);
        assertThat(MethodUtil.getKeyTypeOfMapFromParameterType(m, 0), is(nullValue()));