<BUG>@Overridepublic void loadOneRow() throws IOException {</BUG><CONTEXT>private final Map<String, Fare> fares;public Loader(GTFSFeed feed, Map<String, Fare> fares) {super(feed, "fare_rules");this.fares = fares;}<extra_id_0>String fareId = getStringField("fare_id", true);if (!fares.containsKey(fareId)) {this.feed.errors.add(new ReferentialIntegrityError(tableName, row, "fare_id", fareId));</CONTEXT>
protected boolean isRequired() {return false;public void loadOneRow() throws IOException {