Order groups by rank, then by name.
Order groups by rank, then by name.
The rank of the program group relative to other program groups.
(clpGroup: Ordered[ClpGroup]).<(that)
(clpGroup: Ordered[ClpGroup]).<=(that)
(clpGroup: Ordered[ClpGroup]).>(that)
(clpGroup: Ordered[ClpGroup]).>=(that)
(clpGroup: Ordered[ClpGroup]).compare(that)
(clpGroup: Ordered[ClpGroup]).compareTo(that)
Trait for groups of CommandLinePrograms.