| Interface | Description | 
|---|---|
| RequestMetricTransformer | Internal SPI used to provide custom request metric transformer that can be
 added to or override the default AWS SDK implementation. | 
| Enum | Description | 
|---|---|
| AWSMetricTransformerFactory | Service specific metric transformer factory. | 
| Dimensions | Common CloudWatch dimensions defined and used by the request metric
 transformer providers. | 
| MetricData | Metric Datum related utilities. | 
| RequestMetricTransformer.Utils | Common utilities for implementing this SPI. |