(listOptionMember: CanHaveDelta[ListOptionMember]).+/-(delta)
(listOptionMember: CanHaveDelta[ListOptionMember]).+/-(delta)
(listOptionMember: CanHaveDelta[ListOptionMember]).+/-(delta)
(listOptionMember: CanHaveDelta[ListOptionMember]).+/-(delta)
(listOptionMember: CanHaveDelta[ListOptionMember]).n
(listOptionMember: CanHaveDelta[ListOptionMember]).n
(listOptionMember: CanHaveDelta[ListOptionMember]).n
(listOptionMember: CanHaveDelta[ListOptionMember]).n