# File lib/fog/aws/requests/auto_scaling/set_instance_health.rb, line 43
        def set_instance_health(health_status, instance_id, options = {})
          unless self.data[:health_states].include?(health_status)
            raise Fog::AWS::AutoScaling::ValidationError.new('Valid instance health states are: [#{self.data[:health_states].join(", ")}].')
          end

          Fog::Mock.not_implemented
        end