docs: public String getContentType() {
          if (WCCustomProperties.CHECK_REQUEST_OBJECT_IN_USE){
              checkRequestObjectInUse();
          }
          // 321485
          // PK57679 Start
          String contentType;
          if (!_setInputDataStreamCalled) // 516233
              contentType = _request.getContentType();
          else
              contentType = _setInputStreamContentType;
          // PK57679 End
          if (TraceComponent.isAnyTracingEnabled()&&logger.isLoggable (Level.FINE)) {  //306998.15
              logger.logp(Level.FINE, CLASS_NAME,"getContentType", "this->"+this+": "+" type --> " + contentType);
          }
          return contentType;
      }