def METHOD_NAME(
    primary_mount: Union[OT3Mount, Mount],
    left_mount_offset: Point,
    right_mount_offset: Point,
    gripper_mount_offset: Optional[Point] = None,
) -> Point:
    offsets = {
        Mount.LEFT: left_mount_offset,
        Mount.RIGHT: right_mount_offset,
        OT3Mount.LEFT: left_mount_offset,
        OT3Mount.RIGHT: right_mount_offset,
        OT3Mount.GRIPPER: cast(Point, gripper_mount_offset),
    }
    return offsets[primary_mount]