code: public void setServiceIds(java.util.Collection<ServiceId> serviceIds) {
          if (serviceIds == null) {
              this.serviceIds = null;
              return;
          }
  
          this.serviceIds = new java.util.ArrayList<ServiceId>(serviceIds);
      }
docs: <p>
  Service IDs from the trace's segment documents.
  </p>
  
  @param serviceIds
  Service IDs from the trace's segment documents.