code: public java.util.List<String> getAwsRegions() {
          if (awsRegions == null) {
              awsRegions = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return awsRegions;
      }
docs: <p>
  The source regions being aggregated.
  </p>
  
  @return The source regions being aggregated.