Get a comparator for version values.returnThe comparator to use to compare different version values.
Are the two version values considered equal?paramx One value to check.paramy The other value to check.returntrue if the values are equal, false otherwise.
Increment the version.paramsession The session from which this request originates.paramcurrent the current versionreturnan instance of the type
Generate an initial version.paramsession The session from which this request originates.returnan instance of the type