import java.io.FilterReader;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;

public class TransformLog4jConfigFilter extends FilterReader {
    public TransformLog4jConfigFilter(Reader in) throws IOException {
        super(new StringReader(transform(in)));
    }

    private static String transform(Reader reader) throws IOException {