code: protected boolean isInIgnoreParamList(Parameter param) {
  		return "javax.servlet.http.HttpServletRequest".equals(param.type().qualifiedTypeName())
  				|| "javax.servlet.http.HttpServletResponse".equals(param.type().qualifiedTypeName())
  				|| "javax.servlet.http.HttpSession".equals(param.type().qualifiedTypeName())
  				|| "org.springframework.web.context.request.WebRequest".equals(param.type().qualifiedTypeName())
  				|| "java.io.OutputStream".equals(param.type().qualifiedTypeName())
  				|| "org.springframework.http.HttpEntity<java.lang.String>".equals(param.type().qualifiedTypeName());
  	}
docs: param which will not be displayed in doc.