public TrevniKeySourceTarget(Path path, AvroType<T> atype) {
this(path, atype, SequentialFileNamingScheme.getInstance());
}
public TrevniKeySourceTarget(Path path, AvroType<T> atype, FileNamingScheme fileNamingScheme) {
super(new TrevniKeySource(path, atype), new AvroFileTarget(path), fileNamingScheme);
}