public void setBuyerRfp(com.google.api.ads.admanager.axis.v201805.BuyerRfp buyerRfp) {
        this.buyerRfp = buyerRfp;
    }
public void setBuyerRfp ( com . google . api . ads . admanager . axis . v201805 . BuyerRfp buyerRfp ) { this . buyerRfp = buyerRfp ; }
Sets the buyerRfp value for this Proposal.

@param buyerRfp   * The buyer RFP associated with this {@code Proposal}, which
is optional. This field will be null
if the proposal is not initiated from RFP.
<span class="constraint Applicable">This attribute
is applicable when:<ul><li>using programmatic guaranteed, not using
sales management.</li><li>using preferred deals, not using sales management.</li></ul></span>