content: package org.openstack4j.api.gbp;
  
  import org.openstack4j.model.common.ActionResponse;
  import org.openstack4j.model.gbp.L3Policy;
  
  import java.util.List;
  import java.util.Map;
  
  /**
   * This interface defines all methods for the manipulation of l3policy
   *
   * @author vinod borole
   */
  public interface L3policyService {
      /**
       * List all l3 policies
       *
       * @return List of l3 policies
       */
      List<? extends L3Policy> list();
  
      /**
       * Returns list of l3 policies filtered by parameters.
       *
       * @param filteringParams map (name, value) of filtering parameters
       */
      List<? extends L3Policy> list(Map<String, String> filteringParams);
  
      /**
       * Get the specified l3 policy by ID
       *
       * @param id the l3 policy id
       * @return l3 policy or null if not found
       */
      L3Policy get(String id);
  
      /**
       * Delete of the l3 policy
       *
       * @param id the l3 policy id
       * @return the action response
       */
      ActionResponse delete(String id);
  
      /**
       * Create a new l3 policy
       *
       * @param l3 policy
       * @return the newly created l3 policy
       */
      L3Policy create(L3Policy l3Policy);
  
      /**
       * Updates an existing l3 policy
       *
       * @param l3 policy identifier
       * @param l3 policy that is be used to updated
       * @return the updated l3 policy
       */
      L3Policy update(String l3PolicyId, L3Policy l3Policy);
  }
  