@ GwtIncompatible ( "Unnecessary" ) private Charset getLegacyOutputCharset ( ) { if ( ! config . charset . isEmpty ( ) ) { if ( ! Charset . isSupported ( config . charset ) ) { throw new FlagUsageException ( config . charset + " is not a valid charset name." ) ; } return Charset . forName ( config . charset ) ; } return US_ASCII ; }
Query the flag for the output charset .