public class Verifier
{
    public class Verifier (boolean debug)
    {
        _debug = debug;
    }

    public final boolean verify ()
    {
        return false;
    }

    private boolean _debug;
}
public class Verifier
{
    public Verifier (boolean debug)
    {
        _debug = debug;
    }

    public final boolean verify ()
    {
        return false;
    }

    private boolean _debug;
}
Update Verifier.java