code: public com.google.api.ads.admanager.axis.v201811.Money getNetBillableRevenue() {
          return netBillableRevenue;
      }
docs: Gets the netBillableRevenue value for this ReconciliationLineItemReport.
  
  @return 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.