docs: private static void registerSSLProtocolHandler() {
          String list = System.getProperty( PROTOCOL_HANDLER_PKGS );
          if (list == null || list.length() == 0) {
              System.setProperty( PROTOCOL_HANDLER_PKGS, SSL_PROTOCOL_HANDLER );
          } else if (list.indexOf( SSL_PROTOCOL_HANDLER ) < 0) {
          	// [ 1516007 ] Default SSL provider not being used
            System.setProperty( PROTOCOL_HANDLER_PKGS, list + " | " + SSL_PROTOCOL_HANDLER );
          }
      }