question: public String emitPattern ( boolean withWhiteSpace ) { StringBuffer result = new StringBuffer ( ) ; for ( int i = 0 ; i < patterns . size ( ) ; ++ i ) { PatternEntry entry = patterns . get ( i ) ; if ( entry != null ) { entry . addToBuffer ( result , true , withWhiteSpace , null ) ; } } return result . toString ( ) ; }
target:  emits the pattern for collation builder.