# File lib/mongo/monitoring/event/server_description_changed.rb, line 64
        def summary
          "#<#{self.class.name.sub(/^Mongo::Monitoring::Event::/, '')}" +
          " address=#{address} topology=#{topology.summary}" +
          # TODO Add summaries to descriptions and use them here
          " prev=#{previous_description.inspect} new=#{new_description.inspect}>"
        end