pub struct BoundingBox {
  south : Double
  west : Double
  north : Double
  east : Double
} derive(Eq)

pub struct GeoUri {
  point : LatLng
  altitude : Double?
  uncertainty : Double?
  crs : String?
  raw : String
} derive(Eq)

pub struct LatLng {
  lat : Double
  lng : Double
} derive(Eq)

pub struct Location {
  format : LocationFormat
  kind : LocationKind
  point : LatLng
  region : BoundingBox
  resolution_m : Double
  uncertainty_m : Double?
  cell_radius_m : Double?
  area_m2 : Double
  altitude_m : Double?
  crs : String?
  raw : String
} derive(Eq)

pub struct LocationConversion {
  source : Location
  target : Location
  center_shift_bound_m : Double
  uncertainty_bound_m : Double?
}

pub(all) enum LocationFormat {
  GeoUri
  PlusCode
  Maidenhead
  GeoHash
  Decimal
  Dms
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

pub(all) enum LocationKind {
  Cell
  Point
} derive(Eq, 
@moonbitlang/core/debug.Debug
Debug)

let DEGREE : String

let DOUBLE_PRIME : String

let GEOHASH_ALPHABET : String

let GEOHASH_MAX_PRECISION : Int

let PLUSCODE_ALPHABET : String

let PLUSCODE_PADDING : Char

let PLUSCODE_SEPARATOR : Char

let PRIME : String

fn ascii_lower(s : String) -> String

fn ascii_upper(s : String) -> String

fn ascii_upper_char(c : Char) -> Char

fn char_str(c : Char) -> String

fn chars_of(s : String) -> Array[Char]

fn clamp_lat(lat : Double) -> Double

fn decimal_notation(value : Double) -> String

fn describe_code(text : String) -> Location?

fn digit_value(c : Char) -> Int?

fn format_dms(value : Double, is_lat : Bool) -> String

fn format_fixed(x : Double, digits : Int) -> String

fn format_latlng(lat : Double, lng : Double, digits : Int) -> String

fn geohash_adjacent(code : String, dx : Int, dy : Int) -> String?

fn geohash_bounds(code : String) -> BoundingBox?

fn geohash_cover(box : BoundingBox, precision : Int, max_cells? : Int) -> Array[String]?

fn geohash_decode(code : String) -> LatLng?

fn geohash_encode(point : LatLng, precision : Int) -> String?

fn geohash_neighbors(code : String) -> Array[String]?

fn geohash_precision_for_meters(meters : Double) -> Int?

fn geouri_format(uri : GeoUri) -> String

fn geouri_parse(input : String) -> GeoUri?

fn hemisphere_suffix(value : Double, is_lat : Bool) -> String

fn index_of(chars : Array[Char], needle : Char) -> Int

fn is_ascii(s : String) -> Bool

fn is_finite(x : Double) -> Bool

fn lng_delta(a : Double, b : Double) -> Double

fn maidenhead_bounds(locator : String) -> BoundingBox?

fn maidenhead_decode(locator : String) -> LatLng?

fn maidenhead_encode(point : LatLng, precision? : Int) -> String?

fn normalize_lng(lng : Double) -> Double

fn parse_codes(text : String, max_results? : Int) -> Array[Location]

fn parse_decimal(text : String) -> Double?

fn parse_dms(input : String, is_lat : Bool) -> Double?

fn parse_location(input : String) -> Location?

fn pluscode_adjacent(code : String, dx : Int, dy : Int) -> String?

fn pluscode_bounds(code : String) -> BoundingBox?

fn pluscode_code_length(code : String) -> Int

fn pluscode_decode(code : String) -> LatLng?

fn pluscode_encode(point : LatLng, code_length? : Int) -> String?

fn pluscode_is_full(code : String) -> Bool

fn pluscode_is_short(code : String) -> Bool

fn pluscode_is_valid(code : String) -> Bool

fn pluscode_neighbors(code : String) -> Array[String]?

fn pluscode_recover(short : String, reference : LatLng) -> String?

fn pluscode_shorten(code : String, reference : LatLng) -> String?

fn round_to(x : Double, digits : Int) -> Double

fn split_text(text : String, delimiter : Char) -> Array[String]

fn split_whitespace(text : String) -> Array[String]

fn string_of(chars : Array[Char]) -> String

fn to_radians(degrees : Double) -> Double

fn trim_ascii(s : String) -> String

fn trim_fraction(text : String) -> String