code: public X509Certificate[] getPeerCertificates()
      {
          // 321485
          if (TraceComponent.isAnyTracingEnabled()&&logger.isLoggable (Level.FINE)) {  //306998.15
              logger.logp(Level.FINE, CLASS_NAME,"getPeerCertificates", "this->"+this+": ");
          }
          if (WCCustomProperties.CHECK_REQUEST_OBJECT_IN_USE){
              checkRequestObjectInUse();
          }
          if (TraceComponent.isAnyTracingEnabled()&&logger.isLoggable (Level.FINE)) logger.logp(Level.FINE, CLASS_NAME,"getPeerCertificates", "this->"+this+": ");  //306998.15
          X509Certificate[] certs = _request.getPeerCertificates();
          if (TraceComponent.isAnyTracingEnabled()&&logger.isLoggable (Level.FINE)) logger.logp(Level.FINE, CLASS_NAME,"getPeerCertificates", "this->"+this+": "+"certificates", certs);  //306998.15
          return certs;
      }
docs: Return the peer (i.e. the client) certificates.
  This must be an SSL connection with mutual authentication;
  else, null is returned.
  @return the peer certificates, or null if none.