The role IDs a user holds, in order, as one string: changes whenever a role is added, removed
or swapped. Field-level security reads nothing else about a user, so this, with
CurrentFieldSecurityGeneration, keys any memo of a user's field-security answers.
The role IDs a user holds, in order, as one string: changes whenever a role is added, removed or swapped. Field-level security reads nothing else about a user, so this, with CurrentFieldSecurityGeneration, keys any memo of a user's field-security answers.