content: package org.openstack4j.api.networking.ext;
  
  import org.openstack4j.common.RestService;
  import org.openstack4j.model.common.ActionResponse;
  import org.openstack4j.model.network.ext.FlowClassifier;
  
  import java.util.List;
  
  /**
   * Flow Classifier Service
   *
   * @author Dmitry Gerenrot
   */
  public interface FlowClassifierService extends RestService {
  
      /**
       * Lists flow classifiers for port chains
       *
       * @return the list of flow classifiers
       */
      List<? extends FlowClassifier> list();
  
      /**
       * Get a flow classifier by id.
       *
       * @return FlowClassifier
       */
      FlowClassifier get(String flowClassifierId);
  
      /**
       * Update a flow classifier with the given id to match the given update object
       *
       * @return flowClassifier : object updated
       */
      FlowClassifier update(String flowClassifierId, FlowClassifier flowClassifier);
  
      /**
       * Create a flow classifier
       *
       * @return flowClassifier : object actually created
       */
      FlowClassifier create(FlowClassifier flowClassifier);
  
      /**
       * Delete a flow classifier
       *
       * @return the action response
       */
      ActionResponse delete(String flowClassifierId);
  }
  