@Path("{clusterName}/configurations")
  public ConfigurationService getConfigurationHandler(@Context jakarta.ws.rs.core.Request request, @PathParam("clusterName") String clusterName) {
    return new ConfigurationService(clusterName);
  }
Gets the configurations sub-resource.

@param request      the request
@param clusterName  the cluster name

@return the configuration service
ambari-server/src/main/java/org/apache/ambari/server/api/services/ClusterService.java