Maps bbox from current crs to target_crs

    :param bbox: bounding box
    :type bbox: geometry.BBox
    :param target_crs: target CRS
    :type target_crs: constants.CRS
    :return: bounding box in target CRS
    :rtype: geometry.BBox

def transform_bbox(bbox, target_crs):
    """ Maps bbox from current crs to target_crs

    :param bbox: bounding box
    :type bbox: geometry.BBox
    :param target_crs: target CRS
    :type target_crs: constants.CRS
    :return: bounding box in target CRS
    :rtype: geometry.BBox
    """
    warnings.warn("This function is deprecated, use BBox.transform method instead", DeprecationWarning, stacklevel=2)

    return bbox.transform(target_crs)