/// <summary>
/// Calculates the intersection of two FieldMasks.
/// </summary>
public FieldMask Intersection(FieldMask additionalMask)
{
var tree = new FieldMaskTree(this);
var result = new FieldMaskTree();
foreach (var path in additionalMask.Paths)
{
tree.IntersectFieldPath(path, result);
}
return(result.ToFieldMask());
}
