    # 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