code: public void setAccountAggregationSources(java.util.Collection<AccountAggregationSource> accountAggregationSources) {
          if (accountAggregationSources == null) {
              this.accountAggregationSources = null;
              return;
          }
  
          this.accountAggregationSources = new com.amazonaws.internal.SdkInternalList<AccountAggregationSource>(accountAggregationSources);
      }
docs: <p>
  Provides a list of source accounts and regions to be aggregated.
  </p>
  
  @param accountAggregationSources
  Provides a list of source accounts and regions to be aggregated.