code: public com.google.api.ads.adwords.axis.v201809.cm.SpendTargetType getSpendTargetType() {
          return spendTargetType;
      }
docs: Gets the spendTargetType value for this PerformanceTarget.
  
  @return spendTargetType   * <span class="constraint Selectable">This field can be selected
  using the value "SpendTargetType".</span><span class="constraint Filterable">This
  field can be filtered on.</span>