code: public static boolean isCipherSuiteAvailable(String cipherSuite) {
          String converted = CipherSuiteConverter.toOpenSsl(cipherSuite, IS_BORINGSSL);
          if (converted != null) {
              cipherSuite = converted;
          }
          return AVAILABLE_OPENSSL_CIPHER_SUITES.contains(cipherSuite);
      }
docs: Returns {@code true} if and only if the specified cipher suite is available in OpenSSL.
  Both Java-style cipher suite and OpenSSL-style cipher suite are accepted.