code: public HttpClientBuilder sslEnabledProtocols(String[] protocols) {
          if (protocols == null) {
              sslEnabledProtocols = null;
          } else {
              sslEnabledProtocols = new String[protocols.length];
              System.arraycopy(protocols, 0, sslEnabledProtocols, 0, protocols.length);
          }
          return this;
      }
docs: Sets a list of enabled SSL protocols. No other protocol
  will not be used.
  
  @param protocols protocols
  @return this