code: public com.google.api.ads.admanager.axis.v201902.SalespersonSplit[] getSecondarySalespeople() {
          return secondarySalespeople;
      }
docs: Gets the secondarySalespeople value for this Proposal.
  
  @return secondarySalespeople   * List of secondary salespeople who are responsible for the sales
  of
  the {@code Proposal} besides primary salesperson.
  This attribute is optional. A proposal could have
  8 secondary salespeople at most,
  but must also have a {@link #primarySalesperson} if
  any secondary salesperson exists.
  This attribute can be configured as editable after
  the proposal has been submitted.
  Please check with your network administrator for editable
  fields configuration.
  <span class="constraint Applicable">This attribute
  is applicable when:<ul><li>using programmatic guaranteed, using sales
  management.</li><li>not using programmatic, using sales management.</li></ul></span>