(iMember: math.Ordered[ICodes.IMember]).<(that)
(iMember: math.Ordered[ICodes.IMember]).<=(that)
(iMember: math.Ordered[ICodes.IMember]).>(that)
(iMember: math.Ordered[ICodes.IMember]).>=(that)
(iMember: math.Ordered[ICodes.IMember]).compare(that)
(iMember: math.Ordered[ICodes.IMember]).compareTo(that)
Common interface for IClass/IField/IMethod.