question: f0 - > `` while '' f1 - > '' '' f2 - > expression f3 - > '' '' f4 - > statement concode_field_sep PlaceHolder placeHolder concode_field_sep placeholderType placeHolder
target: void function ( WhileStatement arg0 , A arg1 ) { arg0 . f0 . accept ( this , arg1 ) ; arg0 . f1 . accept ( this , arg1 ) ; arg0 . f2 . accept ( this , arg1 ) ; arg0 . f3 . accept ( this , arg1 ) ; arg0 . f4 . accept ( this , arg1 ) ; }