code: static ExecutorService startClientService(SystemMain system, ClientType clientType, AtomicInteger jobCounter) {
          switch (clientType) {
              case ALERT:
                  return startAlertClientService(system, jobCounter);
              case COMMIT_SCHEMA:
  
                  /* Alpha feature, not currently supported. */
                  return startCommitSchemaClientService(system, jobCounter);
              case COMMIT_ANNOTATIONS:
                  return startCommitAnnotationsClientService(system, jobCounter);
              case PROCESS_QUERIES:
                  return startProcessMetricsClientService(system, jobCounter);
              default:
                  return startCommitMetricsClientService(system, jobCounter);
          }
      }
docs: ~ Methods **************************************************************************************************************************************