code: public java.util.List<CloudWatchDimensionConfiguration> getDimensionConfigurations() {
          if (dimensionConfigurations == null) {
              dimensionConfigurations = new com.amazonaws.internal.SdkInternalList<CloudWatchDimensionConfiguration>();
          }
          return dimensionConfigurations;
      }
docs: <p>
  A list of dimensions upon which to categorize your emails when you publish email sending events to Amazon
  CloudWatch.
  </p>
  
  @return A list of dimensions upon which to categorize your emails when you publish email sending events to Amazon
  CloudWatch.