question: returns items that are in a , but not in b. concode_field_sep Joiner TO_CSV concode_elem_sep Splitter UN_CSV concode_field_sep String listToCsv concode_elem_sep String trimAndReformatCsv concode_elem_sep List<String> csvToList concode_elem_sep String trimString
target: List < String > function ( List < String > arg0 , List < String > arg1 ) { List < String > loc0 = Lists . newArrayList ( ) ; for ( String loc1 : arg0 ) { if ( ! arg1 . contains ( loc1 ) ) { loc0 . add ( loc1 ) ; } } return loc0 ; }