[ 'DescribeServices' => [ 'input_token' => 'NextToken', 'output_token' => 'NextToken', 'limit_key' => 'MaxResults', ], 'GetAttributeValues' => [ 'input_token' => 'NextToken', 'output_token' => 'NextToken', 'limit_key' => 'MaxResults', ], 'GetProducts' => [ 'input_token' => 'NextToken', 'output_token' => 'NextToken', 'limit_key' => 'MaxResults', ], ],];