public Set < RateType > getRateTypes ( ) { @ SuppressWarnings ( "unchecked" ) Set < RateType > rateSet = get ( KEY_RATE_TYPES , Set . class ) ; if ( rateSet == null ) { return Collections . emptySet ( ) ; } return Collections . unmodifiableSet ( rateSet ) ; }
Get the deferred flag . Exchange rates can be deferred or real . time .