Update to version 2.2.0 and add missing periods.

Author: eugerossetto

packages/file_selector/file_selector_platform_interface/CHANGELOG.md

@@ -1,4 +1,4 @@
-## 2.1.1
+## 2.2.0
 
 * Makes XTypeGroup constant and changes the initialization of it.
 * Updates minimum Flutter version to 2.10.

packages/file_selector/file_selector_platform_interface/lib/src/types/x_type_group/x_type_group.dart

@@ -1,9 +1,9 @@
 // Copyright 2013 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-import 'package:meta/meta.dart';
+import 'package:flutter/foundation.dart' show immutable;
 
-/// A set of allowed XTypes
+/// A set of allowed XTypes.
 @immutable
 class XTypeGroup {
   /// Creates a new group with the given label and file extensions.
@@ -18,26 +18,26 @@ class XTypeGroup {
     this.webWildCards,
   }) : _extensions = extensions;
 
-  /// The 'name' or reference to this group of types
+  /// The 'name' or reference to this group of types.
   final String? label;
 
-  /// The MIME types for this group
+  /// The MIME types for this group.
   final List<String>? mimeTypes;
 
-  /// The UTIs for this group
+  /// The UTIs for this group.
   final List<String>? macUTIs;
 
-  /// The web wild cards for this group (ex: image/*, video/*)
+  /// The web wild cards for this group (ex: image/*, video/*).
   final List<String>? webWildCards;
 
   final List<String>? _extensions;
 
-  /// The extensions for this group
+  /// The extensions for this group.
   List<String>? get extensions {
     return _removeLeadingDots(_extensions);
   }
 
-  /// Converts this object into a JSON formatted object
+  /// Converts this object into a JSON formatted object.
   Map<String, dynamic> toJSON() {
     return <String, dynamic>{
       'label': label,

packages/file_selector/file_selector_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ repository: https://github.com/flutter/plugins/tree/main/packages/file_selector/
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+file_selector%22
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 2.1.1
+version: 2.2.0
 
 environment:
   sdk: ">=2.12.0 <3.0.0"