
this(database, settings, System2.INSTANCE);
</BUG>
}
@VisibleForTesting
<BUG>IssueChangelogMigration(Database database, Settings settings, System2 system2) {
</BUG>
this.db = database;
<BUG>this.workDurationConvertor = new WorkDurationConvertor(settings);
</BUG>
this.system2 = system2;

import java.util.regex.Pattern;
public class IssueChangelogMigration implements DatabaseMigration {
private final WorkDurationConvertor workDurationConvertor;
private final System2 system2;
private final Database db;
public IssueChangelogMigration(Database database, PropertiesDao propertiesDao) {
this(database, propertiesDao, System2.INSTANCE);
}
@VisibleForTesting
IssueChangelogMigration(Database database, PropertiesDao propertiesDao, System2 system2) {
this.db = database;
this.workDurationConvertor = new WorkDurationConvertor(propertiesDao);
this.system2 = system2;
