number of lines concode_field_sep SetMultimap<String,Integer> lineByHash concode_elem_sep List<String> hashes concode_field_sep Set<Integer> getLinesForHash concode_elem_sep LineHashSequence createForLines concode_elem_sep boolean hasLine concode_elem_sep List<String> getHashes concode_elem_sep String getHashForLine
int function ( ) { return hashes . size ( ) ; }