code: public com.google.api.ads.adwords.axis.v201809.cm.CampaignTrialTrafficSplitType getTrafficSplitType() {
          return trafficSplitType;
      }
docs: Gets the trafficSplitType value for this Trial.
  
  @return trafficSplitType   * Determines the behavior of the traffic split.
  <span class="constraint Selectable">This field can
  be selected using the value "TrafficSplitType".</span><span class="constraint
  Filterable">This field can be filtered on.</span>
  <span class="constraint ReadOnly">This field is read
  only and will be ignored when sent to the API for the following {@link
  Operator}s: REMOVE and SET.</span>