# File lib/fog/aws/requests/emr/modify_instance_groups.rb, line 18 def modify_instance_groups(options={}) if job_ids = options.delete('InstanceGroups') options.merge!(Fog::AWS.serialize_keys('InstanceGroups', job_ids)) end request({ 'Action' => 'ModifyInstanceGroups', :parser => Fog::Parsers::AWS::EMR::ModifyInstanceGroups.new, }.merge(options)) end