archive/v.js
function performRetrieve (req) {
  return this._client.retrieve(req.args, req.options)
    .then(result => {
      req.args = {}
      req.options = {}
      return result
    })
}
function performRetrieve (req) {
  return this._client.retrieve(req.args, req.options)
    .then(result => {
      req.args = {}
      req.options = {}
      return result
    })
}
function performRetrieve ( req ) { return this . _client . retrieve ( req . args , req . options ) . then ( result => { req . args = { } req . options = { } return result } ) }
retrieves records and clears out the request context
@param req
@return {*|Promise.<*>}
retrieves records and clears out the request context