content: package org.openstack4j.model.common.resolvers;
  
  import org.openstack4j.api.types.ServiceType;
  import org.openstack4j.model.identity.v2.Access;
  import org.openstack4j.model.identity.v3.Service;
  
  import java.util.SortedSet;
  
  /**
   * Responsible for resolving a Service to a specific version.
   *
   * @author Jeremy Unruh
   */
  public interface ServiceVersionResolver {
  
      /**
       * Resolves to a single identity v3 service for the given {@code ServiceType} and set of associated {@code services}.
       * <p>
       * For example if a deployment contains Compute/Nova version 2 and 2.1 then resolve would be invoked with the
       * params of {@link ServiceType#COMPUTE} and a set of 2 services (Compute 2 and Compute 2.1).  The resolver is
       * responsible for picking the appropriate version
       *
       * @param type     the type of {@code services}
       * @param services the sorted by version set of service(s)
       * @return a single service
       */
      Service resolveV3(ServiceType type, SortedSet<? extends Service> services);
  
      /**
       * Resolves to a single identity v2 service for the given {@code ServiceType} and set of associated {@code services}.
       * <p>
       * For example if a deployment contains Compute/Nova version 2 and 2.1 then resolve would be invoked with the
       * params of {@link ServiceType#COMPUTE} and a set of 2 services (Compute 2 and Compute 2.1).  The resolver is
       * responsible for picking the appropriate version
       *
       * @param type     type the type of {@code services}
       * @param services the sorted by version set of service(s)
       * @return a single service
       */
      Access.Service resolveV2(ServiceType type, SortedSet<? extends Access.Service> services);
  
  }
  