docs: synchronized void updateRegistration(BundleContext ctx, ConcurrentServiceReferenceMap<String, SSLConfiguration> sslConfigs) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              Tr.entry(tc, "updateRegistration", ctx, sslConfigs);
          }
  
          if (ctx == null) {
              if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
                  Tr.exit(tc, "updateRegistration");
              }
              return;
          }
  
          // Only activate this registration *IF* there is a valid SSL repertoire configuration available for it
          ServiceReference<SSLConfiguration> requiredRef = sslConfigs.getReference(sslRefId);
          if (requiredRef != null && sslConfigs.getService(sslRefId) != null) {
              properties.put(SSLChannelData.ALIAS_KEY, sslRefId);
              // Set the service reference id as the alias 
              updateSuper();
              if (registration == null) {
                  registration = ctx.registerService(ChannelConfiguration.class, this, properties);
              } else {
                  // Only update the service properties if we have outstanding changes
                  registration.setProperties(properties);
              }
          } else {
              // No shoes, no shirt, no service.
              unregister();
          }
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) {
              Tr.exit(tc, "updateRegistration");
          }
      }