public override void Remove(AbstractFile c)
{
throw new NotImplementedException("Can not invoke this method. Because it is a leaf. ");
}
public override void Remove(AbstractFile c)
{
_fileList?.Remove(c);
}
public abstract void Remove(AbstractFile c);
public override void Add(AbstractFile c)
{
_fileList?.Add(c);
}
public abstract void Add(AbstractFile c);
