question: return all stations , e.g. those who have a crs code concode_field_sep Logger LOG concode_elem_sep Map<String,List<TrainLocation>> stations concode_elem_sep Map<LocationKey,TrainLocation> map concode_elem_sep DataSource dataSource concode_elem_sep List<String> stationIndex concode_field_sep String getTiplocByStanox concode_elem_sep JsonObjectBuilder getJsonByStanox concode_elem_sep List<String> getStationIndex concode_elem_sep List<TrainLocation> getStationIndex concode_elem_sep void start concode_elem_sep TrainLocation resolveTrainLocation concode_elem_sep TrainLocation getTrainLocationById concode_elem_sep TrainLocation getTrainLocationByTiploc concode_elem_sep void reload concode_elem_sep JsonObjectBuilder getJsonByTiploc concode_elem_sep TrainLocation get concode_elem_sep TrainLocation getTrainLocationByCrs concode_elem_sep TrainLocation getTrainLocationByNlc concode_elem_sep Stream<TrainLocation> getStationStream concode_elem_sep TrainLocation getTrainLocationByStanox
target: Collection < TrainLocation > function ( ) { return getStationStream ( ) . collect ( Collectors . toList ( ) ) ; }