# File lib/fog/brightbox/models/compute/collaboration.rb, line 18
        def save
          raise Fog::Errors::Error.new("Resaving an existing object may create a duplicate") if identity

          options = {
            :role => role,
            :email => email
          }.delete_if { |_k, v| v.nil? || v == "" }

          data = service.create_collaboration(options)
          merge_attributes(data)
          true
        end