code: public void setAvailabilityZones(java.util.Collection<AvailabilityZoneDetail> availabilityZones) {
          if (availabilityZones == null) {
              this.availabilityZones = null;
              return;
          }
  
          this.availabilityZones = new java.util.ArrayList<AvailabilityZoneDetail>(availabilityZones);
      }
docs: <p>
  A list of availability zones for any zone corresponding to the trace segments.
  </p>
  
  @param availabilityZones
  A list of availability zones for any zone corresponding to the trace segments.