code: synchronized public void setEnabledCipherSuites(String[] suites) {
          enabledCipherSuites = new CipherSuiteList(suites);
          if ((handshaker != null) && !handshaker.activated()) {
              handshaker.setEnabledCipherSuites(enabledCipherSuites);
          }
      }
docs: Controls which particular cipher suites are enabled for use on
  this connection.  The cipher suites must have been listed by
  getCipherSuites() as being supported.  Even if a suite has been
  enabled, it might never be used if no peer supports it or the
  requisite certificates (and private keys) are not available.
  
  @param suites Names of all the cipher suites to enable.