Used @freezed to create Rating class

packages/app_center_ratings_client/lib/src/chart.freezed.dart

@@ -30,6 +30,8 @@ abstract class $ChartDataCopyWith<$Res> {
       _$ChartDataCopyWithImpl<$Res, ChartData>;
   @useResult
   $Res call({double rawRating, common.Rating rating});
+
+  $RatingCopyWith<$Res> get rating;
 }
 
 /// @nodoc
@@ -59,6 +61,14 @@ class _$ChartDataCopyWithImpl<$Res, $Val extends ChartData>
               as common.Rating,
     ) as $Val);
   }
+
+  @override
+  @pragma('vm:prefer-inline')
+  $RatingCopyWith<$Res> get rating {
+    return $RatingCopyWith<$Res>(_value.rating, (value) {
+      return _then(_value.copyWith(rating: value) as $Val);
+    });
+  }
 }
 
 /// @nodoc
@@ -70,6 +80,9 @@ abstract class _$$ChartDataImplCopyWith<$Res>
   @override
   @useResult
   $Res call({double rawRating, common.Rating rating});
+
+  @override
+  $RatingCopyWith<$Res> get rating;
 }
 
 /// @nodoc

packages/app_center_ratings_client/lib/src/ratings.dart

@@ -2,30 +2,15 @@ import 'package:app_center_ratings_client/src/generated/ratings_features_common.
     as pb;
 import 'package:freezed_annotation/freezed_annotation.dart';
 
-@immutable
-class Rating {
-  const Rating({
-    required this.snapId,
-    required this.totalVotes,
-    required this.ratingsBand,
-  });
-  final String snapId;
-  final int totalVotes;
-  final RatingsBand ratingsBand;
+part 'ratings.freezed.dart';
 
-  @override
-  bool operator ==(Object other) {
-    if (identical(this, other)) return true;
-
-    return other is Rating &&
-        other.snapId == snapId &&
-        other.totalVotes == totalVotes &&
-        other.ratingsBand == ratingsBand;
-  }
-
-  @override
-  int get hashCode =>
-      snapId.hashCode ^ totalVotes.hashCode ^ ratingsBand.hashCode;
+@freezed
+abstract class Rating with _$Rating {
+  const factory Rating({
+    required String snapId,
+    required int totalVotes,
+    required RatingsBand ratingsBand,
+  }) = _Rating;
 }
 
 enum RatingsBand {

packages/app_center_ratings_client/lib/src/ratings.freezed.dart

@@ -0,0 +1,169 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'ratings.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models');
+
+/// @nodoc
+mixin _$Rating {
+  String get snapId => throw _privateConstructorUsedError;
+  int get totalVotes => throw _privateConstructorUsedError;
+  RatingsBand get ratingsBand => throw _privateConstructorUsedError;
+
+  @JsonKey(ignore: true)
+  $RatingCopyWith<Rating> get copyWith => throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $RatingCopyWith<$Res> {
+  factory $RatingCopyWith(Rating value, $Res Function(Rating) then) =
+      _$RatingCopyWithImpl<$Res, Rating>;
+  @useResult
+  $Res call({String snapId, int totalVotes, RatingsBand ratingsBand});
+}
+
+/// @nodoc
+class _$RatingCopyWithImpl<$Res, $Val extends Rating>
+    implements $RatingCopyWith<$Res> {
+  _$RatingCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? snapId = null,
+    Object? totalVotes = null,
+    Object? ratingsBand = null,
+  }) {
+    return _then(_value.copyWith(
+      snapId: null == snapId
+          ? _value.snapId
+          : snapId // ignore: cast_nullable_to_non_nullable
+              as String,
+      totalVotes: null == totalVotes
+          ? _value.totalVotes
+          : totalVotes // ignore: cast_nullable_to_non_nullable
+              as int,
+      ratingsBand: null == ratingsBand
+          ? _value.ratingsBand
+          : ratingsBand // ignore: cast_nullable_to_non_nullable
+              as RatingsBand,
+    ) as $Val);
+  }
+}
+
+/// @nodoc
+abstract class _$$RatingImplCopyWith<$Res> implements $RatingCopyWith<$Res> {
+  factory _$$RatingImplCopyWith(
+          _$RatingImpl value, $Res Function(_$RatingImpl) then) =
+      __$$RatingImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({String snapId, int totalVotes, RatingsBand ratingsBand});
+}
+
+/// @nodoc
+class __$$RatingImplCopyWithImpl<$Res>
+    extends _$RatingCopyWithImpl<$Res, _$RatingImpl>
+    implements _$$RatingImplCopyWith<$Res> {
+  __$$RatingImplCopyWithImpl(
+      _$RatingImpl _value, $Res Function(_$RatingImpl) _then)
+      : super(_value, _then);
+
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? snapId = null,
+    Object? totalVotes = null,
+    Object? ratingsBand = null,
+  }) {
+    return _then(_$RatingImpl(
+      snapId: null == snapId
+          ? _value.snapId
+          : snapId // ignore: cast_nullable_to_non_nullable
+              as String,
+      totalVotes: null == totalVotes
+          ? _value.totalVotes
+          : totalVotes // ignore: cast_nullable_to_non_nullable
+              as int,
+      ratingsBand: null == ratingsBand
+          ? _value.ratingsBand
+          : ratingsBand // ignore: cast_nullable_to_non_nullable
+              as RatingsBand,
+    ));
+  }
+}
+
+/// @nodoc
+
+class _$RatingImpl implements _Rating {
+  const _$RatingImpl(
+      {required this.snapId,
+      required this.totalVotes,
+      required this.ratingsBand});
+
+  @override
+  final String snapId;
+  @override
+  final int totalVotes;
+  @override
+  final RatingsBand ratingsBand;
+
+  @override
+  String toString() {
+    return 'Rating(snapId: $snapId, totalVotes: $totalVotes, ratingsBand: $ratingsBand)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$RatingImpl &&
+            (identical(other.snapId, snapId) || other.snapId == snapId) &&
+            (identical(other.totalVotes, totalVotes) ||
+                other.totalVotes == totalVotes) &&
+            (identical(other.ratingsBand, ratingsBand) ||
+                other.ratingsBand == ratingsBand));
+  }
+
+  @override
+  int get hashCode => Object.hash(runtimeType, snapId, totalVotes, ratingsBand);
+
+  @JsonKey(ignore: true)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$RatingImplCopyWith<_$RatingImpl> get copyWith =>
+      __$$RatingImplCopyWithImpl<_$RatingImpl>(this, _$identity);
+}
+
+abstract class _Rating implements Rating {
+  const factory _Rating(
+      {required final String snapId,
+      required final int totalVotes,
+      required final RatingsBand ratingsBand}) = _$RatingImpl;
+
+  @override
+  String get snapId;
+  @override
+  int get totalVotes;
+  @override
+  RatingsBand get ratingsBand;
+  @override
+  @JsonKey(ignore: true)
+  _$$RatingImplCopyWith<_$RatingImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}