public String getSaslQOP() {
    return (String) saslClient.getNegotiatedProperty(Sasl.QOP);
  }
Do client side SASL authentication with server via the given InputStream and OutputStream
@param inS  InputStream to use
@param outS OutputStream to use
@return true if connection is set up, or false if needs to switch to simple Auth.
hbase-client/src/main/java/org/apache/hadoop/hbase/security/HBaseSaslRpcClient.java