code: public com.google.api.ads.admanager.axis.v201811.SalespersonSplit getPrimarySalesperson() {
          return primarySalesperson;
      }
docs: Gets the primarySalesperson value for this Proposal.
  
  @return primarySalesperson   * The primary salesperson who brokered the transaction with the
  {@link #advertiser}.
  This attribute is required when the proposal turns
  into an order.
  This attribute can be configured as editable after
  the proposal has been submitted.
  Please check with your network administrator for editable
  fields configuration.