    # File lib/fog/aws/requests/emr/describe_job_flows.rb, line 82
            def describe_job_flows(options={})

              if job_ids = options.delete('JobFlowIds')
                options.merge!(Fog::AWS.serialize_keys('JobFlowIds', job_ids))
              end

              if job_states = options.delete('JobFlowStates')
                options.merge!(Fog::AWS.serialize_keys('JobFlowStates', job_states))
              end

              request({
                'Action'  => 'DescribeJobFlows',
                :parser   => Fog::Parsers::AWS::EMR::DescribeJobFlows.new,
              }.merge(options))
            end