decode                  Decode a flexible polyline encoded string
decode_sf               Wrapper function for decoding to simple
                        features
encode                  Encode a line in the flexible polyline encoding
                        format
encode_sf               Wrapper function for encoding simple features
get_third_dimension     Get third dimension of a flexible polyline
                        encoded string
set_third_dimension     Set third dimension of a flexible polyline
                        encoded string
