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Reapply "[typed_data] Deprecate unmodifiable views"
This change, for Dart 3.4, deprecates the unmodifiable typed data constructors. Users of these constructors can upgrade the use of the constructors to instance method `asUnmodifiableView()`, or pin to Dart 3.3. See https://github.com/dart-lang/sdk/issues/53785 for context. CoreLibraryReviewExempt: Reviewed in https://dart-review.googlesource.com/c/sdk/+/321922 Issue: #53785 Change-Id: Icd52f2b6cd05cf3a328c82c197ef44d0b340b171 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/332581 Reviewed-by: Lasse Nielsen <lrn@google.com> Commit-Queue: Stephen Adams <sra@google.com>
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CHANGELOG.md
23
CHANGELOG.md
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@ -39,6 +39,29 @@
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[#54138]: https://github.com/dart-lang/sdk/issues/54138
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#### `dart:typed_data`
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- **BREAKING CHANGE** [#53218][] [#53785][]: The unmodifiable view classes for
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typed data are deprecated.
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To create an unmodifiable view of a typed-data object, use the
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`asUnmodifiableView()` methods added in Dart 3.3:
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```dart
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Uint8List data = ...;
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final readOnlyView = data.asUnmodifiableView();
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// readOnlyView has type Uint8List, and throws if attempted modified.
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```
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The reason for this change is to allow more flexibility in the implementation
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of typed data, so the native and web platforms can use different strategies
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to ensure that typed data has good performance.
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The deprecated types will be removed in Dart 3.5.
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[#53218]: https://github.com/dart-lang/sdk/issues/53218
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[#53785]: https://github.com/dart-lang/sdk/issues/53785
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## 3.3.0
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### Language
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@ -8,7 +8,7 @@ part of dart.typed_data;
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableByteBufferView.
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// TODO(53785): @Deprecated('No replacement')
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@Deprecated('No replacement')
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abstract final class UnmodifiableByteBufferView implements ByteBuffer {
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external factory UnmodifiableByteBufferView(ByteBuffer data);
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}
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@ -17,7 +17,7 @@ abstract final class UnmodifiableByteBufferView implements ByteBuffer {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableByteDataView.
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// TODO(53785): @Deprecated('Use ByteData.asUnmodifiableView() instead')
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@Deprecated('Use ByteData.asUnmodifiableView() instead')
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abstract final class UnmodifiableByteDataView implements ByteData {
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external factory UnmodifiableByteDataView(ByteData data);
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}
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@ -26,7 +26,7 @@ abstract final class UnmodifiableByteDataView implements ByteData {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableUint8ListView.
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// TODO(53785): @Deprecated('Use Uint8List.asUnmodifiableView() instead')
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@Deprecated('Use Uint8List.asUnmodifiableView() instead')
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abstract final class UnmodifiableUint8ListView implements Uint8List {
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external factory UnmodifiableUint8ListView(Uint8List list);
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}
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@ -35,7 +35,7 @@ abstract final class UnmodifiableUint8ListView implements Uint8List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableInt8ListView.
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// TODO(53785): @Deprecated('Use Int8List.asUnmodifiableView() instead')
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@Deprecated('Use Int8List.asUnmodifiableView() instead')
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abstract final class UnmodifiableInt8ListView implements Int8List {
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external factory UnmodifiableInt8ListView(Int8List list);
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}
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@ -44,7 +44,7 @@ abstract final class UnmodifiableInt8ListView implements Int8List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableUint8ClampedListView.
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// TODO(53785): @Deprecated('Use Uint8ClampedList.asUnmodifiableView() instead')
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@Deprecated('Use Uint8ClampedList.asUnmodifiableView() instead')
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abstract final class UnmodifiableUint8ClampedListView
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implements Uint8ClampedList {
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external factory UnmodifiableUint8ClampedListView(Uint8ClampedList list);
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@ -54,7 +54,7 @@ abstract final class UnmodifiableUint8ClampedListView
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableUint16ListView.
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// TODO(53785): @Deprecated('Use Uint16List.asUnmodifiableView() instead')
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@Deprecated('Use Uint16List.asUnmodifiableView() instead')
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abstract final class UnmodifiableUint16ListView implements Uint16List {
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external factory UnmodifiableUint16ListView(Uint16List list);
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}
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@ -63,7 +63,7 @@ abstract final class UnmodifiableUint16ListView implements Uint16List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableInt16ListView.
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// TODO(53785): @Deprecated('Use Int16List.asUnmodifiableView() instead')
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@Deprecated('Use Int16List.asUnmodifiableView() instead')
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abstract final class UnmodifiableInt16ListView implements Int16List {
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external factory UnmodifiableInt16ListView(Int16List list);
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}
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@ -72,7 +72,7 @@ abstract final class UnmodifiableInt16ListView implements Int16List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableUint32ListView.
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// TODO(53785): @Deprecated('Use Uint32List.asUnmodifiableView() instead')
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@Deprecated('Use Uint32List.asUnmodifiableView() instead')
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abstract final class UnmodifiableUint32ListView implements Uint32List {
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external factory UnmodifiableUint32ListView(Uint32List list);
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}
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@ -81,7 +81,7 @@ abstract final class UnmodifiableUint32ListView implements Uint32List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableInt32ListView.
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// TODO(53785): @Deprecated('Use Int32List.asUnmodifiableView() instead')
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@Deprecated('Use Int32List.asUnmodifiableView() instead')
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abstract final class UnmodifiableInt32ListView implements Int32List {
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external factory UnmodifiableInt32ListView(Int32List list);
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}
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@ -90,7 +90,7 @@ abstract final class UnmodifiableInt32ListView implements Int32List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableUint64ListView.
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// TODO(53785): @Deprecated('Use Uint64List.asUnmodifiableView() instead')
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@Deprecated('Use Uint64List.asUnmodifiableView() instead')
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abstract final class UnmodifiableUint64ListView implements Uint64List {
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external factory UnmodifiableUint64ListView(Uint64List list);
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}
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@ -99,7 +99,7 @@ abstract final class UnmodifiableUint64ListView implements Uint64List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableInt64ListView.
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// TODO(53785): @Deprecated('Use Int64List.asUnmodifiableView() instead')
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@Deprecated('Use Int64List.asUnmodifiableView() instead')
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abstract final class UnmodifiableInt64ListView implements Int64List {
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external factory UnmodifiableInt64ListView(Int64List list);
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}
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@ -108,7 +108,7 @@ abstract final class UnmodifiableInt64ListView implements Int64List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableInt32x4ListView.
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// TODO(53785): @Deprecated('Use Int32x4List.asUnmodifiableView() instead')
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@Deprecated('Use Int32x4List.asUnmodifiableView() instead')
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abstract final class UnmodifiableInt32x4ListView implements Int32x4List {
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external factory UnmodifiableInt32x4ListView(Int32x4List list);
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}
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@ -117,7 +117,7 @@ abstract final class UnmodifiableInt32x4ListView implements Int32x4List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableFloat32x4ListView.
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// TODO(53785): @Deprecated('Use Float32x4List.asUnmodifiableView() instead')
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@Deprecated('Use Float32x4List.asUnmodifiableView() instead')
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abstract final class UnmodifiableFloat32x4ListView implements Float32x4List {
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external factory UnmodifiableFloat32x4ListView(Float32x4List list);
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}
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@ -126,7 +126,7 @@ abstract final class UnmodifiableFloat32x4ListView implements Float32x4List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableFloat64x2ListView.
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// TODO(53785): @Deprecated('Use Float64x2List.asUnmodifiableView() instead')
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@Deprecated('Use Float64x2List.asUnmodifiableView() instead')
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abstract final class UnmodifiableFloat64x2ListView implements Float64x2List {
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external factory UnmodifiableFloat64x2ListView(Float64x2List list);
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}
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@ -135,7 +135,7 @@ abstract final class UnmodifiableFloat64x2ListView implements Float64x2List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableFloat32ListView.
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// TODO(53785): @Deprecated('Use Float32List.asUnmodifiableView() instead')
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@Deprecated('Use Float32List.asUnmodifiableView() instead')
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abstract final class UnmodifiableFloat32ListView implements Float32List {
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external factory UnmodifiableFloat32ListView(Float32List list);
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}
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@ -144,7 +144,7 @@ abstract final class UnmodifiableFloat32ListView implements Float32List {
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///
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/// It is a compile-time error for a class to attempt to extend or implement
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/// UnmodifiableFloat64ListView.
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// TODO(53785): @Deprecated('Use Float64List.asUnmodifiableView() instead')
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@Deprecated('Use Float64List.asUnmodifiableView() instead')
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abstract final class UnmodifiableFloat64ListView implements Float64List {
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external factory UnmodifiableFloat64ListView(Float64List list);
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}
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