code: public void setNetBillableRevenue(com.google.api.ads.admanager.axis.v201808.Money netBillableRevenue) {
          this.netBillableRevenue = netBillableRevenue;
      }
docs: Sets the netBillableRevenue value for this ReconciliationLineItemReport.
  
  @param netBillableRevenue   * The net billable revenue. If this reconciliation data is for
  a {@link ProposalLineItem},
  this is calculated from the {@link #netRate}, {@link
  #billableVolume}, and the proposal line
  item's billing settings. This may be {@code null}
  for certain billing settings.
  Otherwise, this is calculated from the {@link #netRate}
  and {@link #billableVolume}.
  This value is read-only.