code: public SSLConfig getSSLConfig() {
          SecurityManager sm = System.getSecurityManager();
          if (sm != null) {
              sm.checkPermission(new HazelcastRuntimePermission("com.hazelcast.config.NetworkConfig.getSSLConfig"));
          }
          return sslConfig;
      }
docs: Returns the current {@link SSLConfig}. It is possible that null is returned if no SSLConfig has been set.
  
  @return the SSLConfig
  @see #setSSLConfig(SSLConfig)
  @throws SecurityException If a security manager exists and the calling method doesn't have corresponding
  {@link HazelcastRuntimePermission}