docs: private LocatorSelectionStrategy getLocatorSelectionStrategy(String locatorSelectionStrategy) {
          if (null == locatorSelectionStrategy) {
              return locatorSelectionStrategyMap.get(DEFAULT_STRATEGY).getInstance();
          }
  
          if (LOG.isLoggable(Level.FINE)) {
              LOG.log(Level.FINE, "Strategy " + locatorSelectionStrategy
                      + " was set for LocatorClientRegistrar.");
          }
  
          if (locatorSelectionStrategyMap.containsKey(locatorSelectionStrategy)) {
              return locatorSelectionStrategyMap.get(locatorSelectionStrategy).getInstance();
          } else {
              if (LOG.isLoggable(Level.WARNING)) {
                  LOG.log(Level.WARNING, "LocatorSelectionStrategy " + locatorSelectionStrategy
                          + " not registered at LocatorClientEnabler.");
              }
              return locatorSelectionStrategyMap.get(DEFAULT_STRATEGY).getInstance();
          }
      }