content: package org.openstack4j.api.networking.ext;
  
  import org.openstack4j.model.common.ActionResponse;
  import org.openstack4j.model.network.ext.PortPairGroup;
  
  import java.util.List;
  
  /**
   * Port Pair Group Service
   *
   * @author Dmitry Gerenrot
   */
  public interface PortPairGroupService {
  
      /**
       * Lists port pair groups for port chains
       *
       * @return the list of port pair groups
       */
      List<? extends PortPairGroup> list();
  
      /**
       * Get a port pair group by id.
       *
       * @return PortPairGroup
       */
      PortPairGroup get(String id);
  
      /**
       * Update a port pair group with the given id to match the given update object
       *
       * @return PortPairGroup
       */
      PortPairGroup update(String portPairGroupId, PortPairGroup portPairGroup);
  
      /**
       * Create a port pair group
       *
       * @return portPairGroup : object actually created
       */
      PortPairGroup create(PortPairGroup portPairGroup);
  
      /**
       * Delete a port pair group
       *
       * @return the action response
       */
      ActionResponse delete(String portPairGroupId);
  }
  