lib/request-metadata.js
function swaggerParamsMetadata (req, res, next) {
  req.swagger.params = util.getParameters(req.swagger.path, req.swagger.operation);
  next();
}
function swaggerParamsMetadata (req, res, next) {
  req.swagger.params = util.getParameters(req.swagger.path, req.swagger.operation);
  next();
}
function swaggerParamsMetadata ( req , res , next ) { req . swagger . params = util . getParameters ( req . swagger . path , req . swagger . operation ) ; next ( ) ; }
Sets `req.swagger.params`
Sets req . swagger . params