nl_tokens: Contains the error classes exposed by the driver .
pl_tokens: function DriverError ( message ) { Error . call ( this , message ) ; Error . captureStackTrace ( this , this . constructor ) ; this . name = this . constructor . name ; this . info = 'Cassandra Driver Error' ; // Explicitly set the message property as the Error.call() doesn't set the property on v8 this . <mask> = message ; }