['DescribeAnalysisSchemes' => ['result_key' => 'AnalysisSchemes'], 'DescribeDomains' => ['result_key' => 'DomainStatusList'], 'DescribeExpressions' => ['result_key' => 'Expressions'], 'DescribeIndexFields' => ['result_key' => 'IndexFields'], 'DescribeSuggesters' => ['result_key' => 'Suggesters']]];