diff --git a/example/pubspec.lock b/example/pubspec.lock
index 1f01dc4..01d2850 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,14 +21,14 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   clock:
     dependency: transitive
     description:
@@ -42,7 +42,7 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -56,7 +56,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -108,21 +108,28 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.7.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   pedantic:
     dependency: transitive
     description:
@@ -141,7 +148,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -176,7 +183,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19"
+    version: "0.4.9"
   typed_data:
     dependency: transitive
     description:
@@ -190,6 +197,6 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"
diff --git a/lib/google_geocoding.dart b/lib/google_geocoding.dart
index bcdaba5..1c38dc3 100644
--- a/lib/google_geocoding.dart
+++ b/lib/google_geocoding.dart
@@ -2,6 +2,7 @@ library google_geocoding;
 
 import 'package:google_geocoding/src/geocoding/geocoding.dart';
 
+export 'package:google_geocoding/src/geocoding/geocoding.dart';
 export 'package:google_geocoding/src/geocoding/geocoding_response.dart';
 export 'package:google_geocoding/src/geocoding/geocoding_result.dart';
 export 'package:google_geocoding/src/models/address_component.dart';
diff --git a/lib/src/models/lat_lon.dart b/lib/src/models/lat_lon.dart
index 1446449..38a24d4 100644
--- a/lib/src/models/lat_lon.dart
+++ b/lib/src/models/lat_lon.dart
@@ -1,5 +1,3 @@
-import 'dart:ui';
-
 /// A pair of latitude and longitude coordinates, stored as degrees.
 class LatLon {
   /// Creates a geographical location specified in degrees [latitude] and
@@ -31,5 +29,5 @@ class LatLon {
   }
 
   @override
-  int get hashCode => hashValues(latitude, longitude);
+  int get hashCode => latitude.hashCode ^ longitude.hashCode;
 }
diff --git a/pubspec.lock b/pubspec.lock
index 244efd9..987ed54 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,13 +1,34 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "22.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.1"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.1"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0"
+    version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -15,13 +36,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
-  characters:
-    dependency: transitive
-    description:
-      name: characters
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.0"
   charcode:
     dependency: transitive
     description:
@@ -29,13 +43,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
-  clock:
+  cli_util:
     dependency: transitive
     description:
-      name: clock
+      name: cli_util
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "0.3.5"
   collection:
     dependency: transitive
     description:
@@ -43,23 +57,48 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.15.0"
-  fake_async:
+  convert:
     dependency: transitive
     description:
-      name: fake_async
+      name: convert
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
-  flutter:
-    dependency: "direct main"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_test:
-    dependency: "direct dev"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
+    version: "3.0.2"
+  coverage:
+    dependency: transitive
+    description:
+      name: coverage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.2"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.4"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.3"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   http:
     dependency: "direct main"
     description:
@@ -67,6 +106,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.13.0"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.1"
   http_parser:
     dependency: transitive
     description:
@@ -74,13 +120,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.0.0"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.4"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -88,6 +155,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  node_preamble:
+    dependency: transitive
+    description:
+      name: node_preamble
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   path:
     dependency: transitive
     description:
@@ -102,11 +190,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.11.0"
-  sky_engine:
+  pool:
     dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.99"
+    description:
+      name: pool
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.1"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.0"
+  shelf_packages_handler:
+    dependency: transitive
+    description:
+      name: shelf_packages_handler
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  shelf_static:
+    dependency: transitive
+    description:
+      name: shelf_static
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  source_map_stack_trace:
+    dependency: transitive
+    description:
+      name: source_map_stack_trace
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  source_maps:
+    dependency: transitive
+    description:
+      name: source_maps
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.10"
   source_span:
     dependency: transitive
     description:
@@ -127,7 +266,7 @@ packages:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
@@ -142,13 +281,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  test:
+    dependency: "direct dev"
+    description:
+      name: test
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.18.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19"
+    version: "0.4.5"
+  test_core:
+    dependency: transitive
+    description:
+      name: test_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.4"
   typed_data:
     dependency: transitive
     description:
@@ -156,12 +309,40 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.0"
-  vector_math:
+  vm_service:
     dependency: transitive
     description:
-      name: vector_math
+      name: vm_service
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "7.5.0"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
+  webkit_inspection_protocol:
+    dependency: transitive
+    description:
+      name: webkit_inspection_protocol
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.17.0 <3.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 7d48533..118c9da 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -7,12 +7,7 @@ environment:
   sdk: ">=2.12.0 <3.0.0"
 
 dependencies:
-  flutter:
-    sdk: flutter
   http: ^0.13.0
 
 dev_dependencies:
-  flutter_test:
-    sdk: flutter
-
-flutter:
+  test: ^1.18.0
diff --git a/test/google_geocoding_test.dart b/test/google_geocoding_test.dart
index 2a98b14..03bdf23 100644
--- a/test/google_geocoding_test.dart
+++ b/test/google_geocoding_test.dart
@@ -1,4 +1,4 @@
-import 'package:flutter_test/flutter_test.dart';
+import 'package:test/test.dart';
 import 'package:google_geocoding/google_geocoding.dart';
 
 void main() {