# File lib/fog/profitbricks/models/compute/share.rb, line 41
        def update
          requires :group_id, :resource_id

          options = {}
          options[:editPrivilege]  = edit_privilege if [true, false].include?(edit_privilege)
          options[:sharePrivilege] = share_privilege if [true, false].include?(share_privilege)

          data = service.update_share(group_id, resource_id, options)
          merge_attributes(flatten(data.body))
          true
        end