# File lib/fog/compute/openstack/requests/list_security_groups.rb, line 5
        def list_security_groups(options = {})
          path = "os-security-groups"

          if options.kind_of?(Hash)
            server_id = options.delete(:server_id)
            query = options
          else
            # Backwards compatibility layer, only server_id was passed as first parameter previously
            Fog::Logger.deprecation('Calling OpenStack[:compute].list_security_groups(server_id) is deprecated, use .list_security_groups(:server_id => value) instead')
            server_id = options
            query = {}
          end

          if server_id
            path = "servers/#{server_id}/#{path}"
          end

          request(
            :expects => [200],
            :method  => 'GET',
            :path    => path,
            :query   => query
          )
        end