public static RelativeDirectoryPath RelativeTo(this AbsoluteDirectoryPath destination, AbsoluteDirectoryPath source)
{
var commonAncestor = AbsoluteDirectoryPath.FindCommonAncestor(source, destination);
var sourceToAncestor = source.ToAncestor(commonAncestor);
var sourceToDestination = sourceToAncestor.ToLeaf(commonAncestor, destination);
return(sourceToDestination);
}