code: public java.util.List<BillingRecord> getBillingRecords() {
          if (billingRecords == null) {
              billingRecords = new com.amazonaws.internal.SdkInternalList<BillingRecord>();
          }
          return billingRecords;
      }
docs: <p>
  A summary of billing records.
  </p>
  
  @return A summary of billing records.