Represents an anchor configuration consisting of a bounding rectangle
and an anchor point describing which part of that rectangle should be
used as the reference for positioning the download bubble.
The location within the rectangle that should act as the anchor
(e.g., topRight, bottomLeft, center, etc.).
For example, topRight means the rectangle's top-right corner is used
as the anchoring reference point.
Represents an anchor configuration consisting of a bounding rectangle and an anchor point describing which part of that rectangle should be used as the reference for positioning the download bubble.