@Test
  public void testHasConstraints() {

    MethodDescriptor constrainedMethodDescriptor =
        getMethodDescriptor(CustomerRepositoryExt.class, "bar");
    assertTrue(constrainedMethodDescriptor.hasConstraints());

    MethodDescriptor unconstrainedMethodDescriptor =
        getMethodDescriptor(CustomerRepositoryExt.class, "qux");
    assertFalse(unconstrainedMethodDescriptor.hasConstraints());
  }