code: public com.google.api.ads.adwords.axis.v201809.cm.SharedSetType getSharedSetType() {
          return sharedSetType;
      }
docs: Gets the sharedSetType value for this CampaignSharedSet.
  
  @return sharedSetType   * <span class="constraint CampaignType">This field may only be
  set to NEGATIVE_KEYWORDS for campaign channel type SHOPPING.</span>
  <span class="constraint CampaignType">This field may only be set to
  NEGATIVE_PLACEMENTS for campaign channel subtype DISPLAY_MOBILE_APP.</span>
  <span class="constraint ReadOnly">This field is read only and will
  be ignored when sent to the API.</span>