code: public com.google.api.ads.admanager.axis.v201808.Money getProposalNetBillableRevenueManualAdjustment() {
          return proposalNetBillableRevenueManualAdjustment;
      }
docs: Gets the proposalNetBillableRevenueManualAdjustment value for this ReconciliationOrderReport.
  
  @return proposalNetBillableRevenueManualAdjustment   * If this reconciliation data is for a {@link Proposal}, then
  this contains the net revenue
  manual adjustment for that proposal. Otherwise, this
  is {@code null}.
  This value is read-only.