question: void flush ( VcfWriter writer ) throws IOException { if ( mPrevRecord != null ) { if ( ! mPrevDense ) { writeCount ( writer , mPrevRecord ) ; } else { mVcfFilterStatistics . increment ( Stat . DENSITY_WINDOW_COUNT ) ; } } mPrevRecord = null ; mPrevDense = false ; }
target:  Writes any remaining SNP lines