docs: @Reference(service = SSLSupport.class, name = KEY_SSL_SUPPORT, policy = ReferencePolicy.DYNAMIC, cardinality = ReferenceCardinality.OPTIONAL, policyOption = ReferencePolicyOption.GREEDY)
      protected void setSslSupport(ServiceReference<SSLSupport> ref) {
          sslSupportRef.setReference(ref);
          if (tc.isDebugEnabled()) {
              Tr.debug(tc, "setSslSupport service.pid:" + ref.getProperty("service.pid"));
          }
      }