[ 'DescribeReservedElasticsearchInstanceOfferings' => [ 'input_token' => 'NextToken', 'output_token' => 'NextToken', 'limit_key' => 'MaxResults', ], 'DescribeReservedElasticsearchInstances' => [ 'input_token' => 'NextToken', 'output_token' => 'NextToken', 'limit_key' => 'MaxResults', ], 'GetUpgradeHistory' => [ 'input_token' => 'NextToken', 'output_token' => 'NextToken', 'limit_key' => 'MaxResults', ], 'ListElasticsearchInstanceTypes' => [ 'input_token' => 'NextToken', 'output_token' => 'NextToken', 'limit_key' => 'MaxResults', ], 'ListElasticsearchVersions' => [ 'input_token' => 'NextToken', 'output_token' => 'NextToken', 'limit_key' => 'MaxResults', ], ],];