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abdullh.alsoleman
Front-End
Commits
734782f5
Unverified
Commit
734782f5
authored
Jul 28, 2020
by
chunhtai
Committed by
GitHub
Jul 28, 2020
Browse files
Options
Browse Files
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Plain Diff
clean up hero controller scope (#60655)
parent
0fdb21f3
Changes
7
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Showing
7 changed files
with
421 additions
and
38 deletions
+421
-38
app.dart
packages/flutter/lib/src/cupertino/app.dart
+0
-13
app.dart
packages/flutter/lib/src/material/app.dart
+0
-12
navigator.dart
packages/flutter/lib/src/widgets/navigator.dart
+40
-13
app_test.dart
packages/flutter/test/cupertino/app_test.dart
+16
-0
app_test.dart
packages/flutter/test/material/app_test.dart
+16
-0
heroes_test.dart
packages/flutter/test/widgets/heroes_test.dart
+97
-0
navigator_test.dart
packages/flutter/test/widgets/navigator_test.dart
+252
-0
No files found.
packages/flutter/lib/src/cupertino/app.dart
View file @
734782f5
...
@@ -293,18 +293,6 @@ class _CupertinoAppState extends State<CupertinoApp> {
...
@@ -293,18 +293,6 @@ class _CupertinoAppState extends State<CupertinoApp> {
_heroController
=
CupertinoApp
.
createCupertinoHeroController
();
_heroController
=
CupertinoApp
.
createCupertinoHeroController
();
}
}
@override
void
didUpdateWidget
(
CupertinoApp
oldWidget
)
{
super
.
didUpdateWidget
(
oldWidget
);
if
(
widget
.
navigatorKey
!=
oldWidget
.
navigatorKey
)
{
// If the Navigator changes, we have to create a new observer, because the
// old Navigator won't be disposed (and thus won't unregister with its
// observers) until after the new one has been created (because the
// Navigator has a GlobalKey).
_heroController
=
CupertinoApp
.
createCupertinoHeroController
();
}
}
// Combine the default localization for Cupertino with the ones contributed
// Combine the default localization for Cupertino with the ones contributed
// by the localizationsDelegates parameter, if any. Only the first delegate
// by the localizationsDelegates parameter, if any. Only the first delegate
// of a particular LocalizationsDelegate.type is loaded so the
// of a particular LocalizationsDelegate.type is loaded so the
...
@@ -370,7 +358,6 @@ class _CupertinoAppState extends State<CupertinoApp> {
...
@@ -370,7 +358,6 @@ class _CupertinoAppState extends State<CupertinoApp> {
},
},
shortcuts:
widget
.
shortcuts
,
shortcuts:
widget
.
shortcuts
,
actions:
widget
.
actions
,
actions:
widget
.
actions
,
),
),
);
);
},
},
...
...
packages/flutter/lib/src/material/app.dart
View file @
734782f5
...
@@ -586,18 +586,6 @@ class _MaterialAppState extends State<MaterialApp> {
...
@@ -586,18 +586,6 @@ class _MaterialAppState extends State<MaterialApp> {
_heroController
=
MaterialApp
.
createMaterialHeroController
();
_heroController
=
MaterialApp
.
createMaterialHeroController
();
}
}
@override
void
didUpdateWidget
(
MaterialApp
oldWidget
)
{
super
.
didUpdateWidget
(
oldWidget
);
if
(
widget
.
navigatorKey
!=
oldWidget
.
navigatorKey
)
{
// If the Navigator changes, we have to create a new observer, because the
// old Navigator won't be disposed (and thus won't unregister with its
// observers) until after the new one has been created (because the
// Navigator has a GlobalKey).
_heroController
=
MaterialApp
.
createMaterialHeroController
();
}
}
// Combine the Localizations for Material with the ones contributed
// Combine the Localizations for Material with the ones contributed
// by the localizationsDelegates parameter, if any. Only the first delegate
// by the localizationsDelegates parameter, if any. Only the first delegate
// of a particular LocalizationsDelegate.type is loaded so the
// of a particular LocalizationsDelegate.type is loaded so the
...
...
packages/flutter/lib/src/widgets/navigator.dart
View file @
734782f5
...
@@ -624,26 +624,30 @@ class NavigatorObserver {
...
@@ -624,26 +624,30 @@ class NavigatorObserver {
/// An inherited widget to host a hero controller.
/// An inherited widget to host a hero controller.
///
///
/// This class should not be used directly. The [MaterialApp] and [CupertinoApp]
/// use this class to host the [HeroController], and they should be the only
/// exception to use this class. If you want to subscribe your own
/// [HeroController], use the [Navigator.observers] instead.
///
/// The hosted hero controller will be picked up by the navigator in the
/// The hosted hero controller will be picked up by the navigator in the
/// [child] subtree. Once a navigator picks up this controller, the navigator
/// [child] subtree. Once a navigator picks up this controller, the navigator
/// will bar any navigator below its subtree from receiving this controller.
/// will bar any navigator below its subtree from receiving this controller.
///
///
///
See also:
///
The hero controller inside the [HeroControllerScope] can only subscribe to
///
///
one navigator at a time. An assertion will be thrown if the hero controller
///
* [Navigator.observers], which is the standard way of providing a
///
subscribes to more than one navigators. This can happen when there are
///
[HeroController]
.
///
multiple navigators under the same [HeroControllerScope] in parallel
.
class
HeroControllerScope
extends
InheritedWidget
{
class
HeroControllerScope
extends
InheritedWidget
{
/// Creates a widget to host the input [controller].
/// Creates a widget to host the input [controller].
const
HeroControllerScope
({
const
HeroControllerScope
({
Key
key
,
Key
key
,
this
.
controller
,
this
.
controller
,
Widget
child
,
Widget
child
,
})
:
super
(
key:
key
,
child:
child
);
})
:
assert
(
controller
!=
null
),
super
(
key:
key
,
child:
child
);
/// Creates a widget to prevent the subtree from receiving the hero controller
/// above.
const
HeroControllerScope
.
none
({
Key
key
,
Widget
child
,
})
:
controller
=
null
,
super
(
key:
key
,
child:
child
);
/// The hero controller that is hosted inside this widget.
/// The hero controller that is hosted inside this widget.
final
HeroController
controller
;
final
HeroController
controller
;
...
@@ -2803,8 +2807,30 @@ class NavigatorState extends State<Navigator> with TickerProviderStateMixin {
...
@@ -2803,8 +2807,30 @@ class NavigatorState extends State<Navigator> with TickerProviderStateMixin {
void
_updateHeroController
(
HeroController
newHeroController
)
{
void
_updateHeroController
(
HeroController
newHeroController
)
{
if
(
_heroControllerFromScope
!=
newHeroController
)
{
if
(
_heroControllerFromScope
!=
newHeroController
)
{
if
(
newHeroController
!=
null
)
{
// Makes sure the same hero controller is not shared between two navigators.
assert
(()
{
// It is possible that the hero controller subscribes to an existing
// navigator. We are fine as long as that navigator gives up the hero
// controller at the end of the build.
if
(
newHeroController
.
navigator
!=
null
)
{
final
NavigatorState
previousOwner
=
newHeroController
.
navigator
;
ServicesBinding
.
instance
.
addPostFrameCallback
((
Duration
timestamp
)
{
// We only check if this navigator still owns the hero controller.
if
(
_heroControllerFromScope
==
newHeroController
)
{
assert
(
_heroControllerFromScope
.
_navigator
==
this
);
assert
(
previousOwner
.
_heroControllerFromScope
!=
newHeroController
);
}
});
}
return
true
;
}());
newHeroController
.
_navigator
=
this
;
}
// Only unsubscribe the hero controller when it is currently subscribe to
// this navigator.
if
(
_heroControllerFromScope
?.
_navigator
==
this
)
_heroControllerFromScope
?.
_navigator
=
null
;
_heroControllerFromScope
?.
_navigator
=
null
;
newHeroController
?.
_navigator
=
this
;
_heroControllerFromScope
=
newHeroController
;
_heroControllerFromScope
=
newHeroController
;
_updateEffectiveObservers
();
_updateEffectiveObservers
();
}
}
...
@@ -2865,6 +2891,7 @@ class NavigatorState extends State<Navigator> with TickerProviderStateMixin {
...
@@ -2865,6 +2891,7 @@ class NavigatorState extends State<Navigator> with TickerProviderStateMixin {
_debugLocked
=
true
;
_debugLocked
=
true
;
return
true
;
return
true
;
}());
}());
_updateHeroController
(
null
);
for
(
final
NavigatorObserver
observer
in
_effectiveObservers
)
for
(
final
NavigatorObserver
observer
in
_effectiveObservers
)
observer
.
_navigator
=
null
;
observer
.
_navigator
=
null
;
focusScopeNode
.
dispose
();
focusScopeNode
.
dispose
();
...
@@ -4051,7 +4078,7 @@ class NavigatorState extends State<Navigator> with TickerProviderStateMixin {
...
@@ -4051,7 +4078,7 @@ class NavigatorState extends State<Navigator> with TickerProviderStateMixin {
// Hides the HeroControllerScope for the widget subtree so that the other
// Hides the HeroControllerScope for the widget subtree so that the other
// nested navigator underneath will not pick up the hero controller above
// nested navigator underneath will not pick up the hero controller above
// this level.
// this level.
return
HeroControllerScope
(
return
HeroControllerScope
.
none
(
child:
Listener
(
child:
Listener
(
onPointerDown:
_handlePointerDown
,
onPointerDown:
_handlePointerDown
,
onPointerUp:
_handlePointerUpOrCancel
,
onPointerUp:
_handlePointerUpOrCancel
,
...
...
packages/flutter/test/cupertino/app_test.dart
View file @
734782f5
...
@@ -131,4 +131,20 @@ void main() {
...
@@ -131,4 +131,20 @@ void main() {
expect
(
find
.
text
(
'regular page one'
),
findsNothing
);
expect
(
find
.
text
(
'regular page one'
),
findsNothing
);
expect
(
find
.
text
(
'regular page two'
),
findsNothing
);
expect
(
find
.
text
(
'regular page two'
),
findsNothing
);
});
});
testWidgets
(
'CupertinoApp.navigatorKey can be updated'
,
(
WidgetTester
tester
)
async
{
final
GlobalKey
<
NavigatorState
>
key1
=
GlobalKey
<
NavigatorState
>();
await
tester
.
pumpWidget
(
CupertinoApp
(
navigatorKey:
key1
,
home:
const
Placeholder
(),
));
expect
(
key1
.
currentState
,
isA
<
NavigatorState
>());
final
GlobalKey
<
NavigatorState
>
key2
=
GlobalKey
<
NavigatorState
>();
await
tester
.
pumpWidget
(
CupertinoApp
(
navigatorKey:
key2
,
home:
const
Placeholder
(),
));
expect
(
key2
.
currentState
,
isA
<
NavigatorState
>());
expect
(
key1
.
currentState
,
isNull
);
});
}
}
packages/flutter/test/material/app_test.dart
View file @
734782f5
...
@@ -843,6 +843,22 @@ void main() {
...
@@ -843,6 +843,22 @@ void main() {
);
);
expect
(
tween
,
isA
<
MaterialRectArcTween
>());
expect
(
tween
,
isA
<
MaterialRectArcTween
>());
});
});
testWidgets
(
'MaterialApp.navigatorKey can be updated'
,
(
WidgetTester
tester
)
async
{
final
GlobalKey
<
NavigatorState
>
key1
=
GlobalKey
<
NavigatorState
>();
await
tester
.
pumpWidget
(
MaterialApp
(
navigatorKey:
key1
,
home:
const
Placeholder
(),
));
expect
(
key1
.
currentState
,
isA
<
NavigatorState
>());
final
GlobalKey
<
NavigatorState
>
key2
=
GlobalKey
<
NavigatorState
>();
await
tester
.
pumpWidget
(
MaterialApp
(
navigatorKey:
key2
,
home:
const
Placeholder
(),
));
expect
(
key2
.
currentState
,
isA
<
NavigatorState
>());
expect
(
key1
.
currentState
,
isNull
);
});
}
}
class
MockAccessibilityFeature
implements
AccessibilityFeatures
{
class
MockAccessibilityFeature
implements
AccessibilityFeatures
{
...
...
packages/flutter/test/widgets/heroes_test.dart
View file @
734782f5
...
@@ -304,6 +304,103 @@ Future<void> main() async {
...
@@ -304,6 +304,103 @@ Future<void> main() async {
expect
(
find
.
byKey
(
thirdKey
),
isInCard
);
expect
(
find
.
byKey
(
thirdKey
),
isInCard
);
});
});
testWidgets
(
'Heroes still animate after hero controller is swapped.'
,
(
WidgetTester
tester
)
async
{
final
GlobalKey
<
NavigatorState
>
key
=
GlobalKey
<
NavigatorState
>();
final
UniqueKey
heroKey
=
UniqueKey
();
await
tester
.
pumpWidget
(
HeroControllerScope
(
controller:
HeroController
(),
child:
Directionality
(
textDirection:
TextDirection
.
ltr
,
child:
Navigator
(
key:
key
,
initialRoute:
'navigator1'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
Hero
(
tag:
'hero'
,
child:
Container
(),
flightShuttleBuilder:
(
BuildContext
flightContext
,
Animation
<
double
>
animation
,
HeroFlightDirection
flightDirection
,
BuildContext
fromHeroContext
,
BuildContext
toHeroContext
,
)
{
return
Container
(
key:
heroKey
);
},
);
},
settings:
s
,
);
},
),
),
),
);
key
.
currentState
.
push
(
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
Hero
(
tag:
'hero'
,
child:
Container
(),
flightShuttleBuilder:
(
BuildContext
flightContext
,
Animation
<
double
>
animation
,
HeroFlightDirection
flightDirection
,
BuildContext
fromHeroContext
,
BuildContext
toHeroContext
,
)
{
return
Container
(
key:
heroKey
);
},
);
},
));
expect
(
find
.
byKey
(
heroKey
),
findsNothing
);
// Begins the navigation
await
tester
.
pump
();
await
tester
.
pump
(
const
Duration
(
milliseconds:
30
));
expect
(
find
.
byKey
(
heroKey
),
isOnstage
);
// Pumps a new hero controller.
await
tester
.
pumpWidget
(
HeroControllerScope
(
controller:
HeroController
(),
child:
Directionality
(
textDirection:
TextDirection
.
ltr
,
child:
Navigator
(
key:
key
,
initialRoute:
'navigator1'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
Hero
(
tag:
'hero'
,
child:
Container
(),
flightShuttleBuilder:
(
BuildContext
flightContext
,
Animation
<
double
>
animation
,
HeroFlightDirection
flightDirection
,
BuildContext
fromHeroContext
,
BuildContext
toHeroContext
,
)
{
return
Container
(
key:
heroKey
);
},
);
},
settings:
s
,
);
},
),
),
),
);
// The original animation still flies.
expect
(
find
.
byKey
(
heroKey
),
isOnstage
);
// Waits for the animation finishes.
await
tester
.
pumpAndSettle
();
expect
(
find
.
byKey
(
heroKey
),
findsNothing
);
});
testWidgets
(
'Heroes animate should hide original hero'
,
(
WidgetTester
tester
)
async
{
testWidgets
(
'Heroes animate should hide original hero'
,
(
WidgetTester
tester
)
async
{
await
tester
.
pumpWidget
(
MaterialApp
(
routes:
routes
));
await
tester
.
pumpWidget
(
MaterialApp
(
routes:
routes
));
// Checks initial state.
// Checks initial state.
...
...
packages/flutter/test/widgets/navigator_test.dart
View file @
734782f5
...
@@ -2064,6 +2064,258 @@ void main() {
...
@@ -2064,6 +2064,258 @@ void main() {
expect
(
observations
[
1
].
previous
,
'top1'
);
expect
(
observations
[
1
].
previous
,
'top1'
);
});
});
testWidgets
(
'hero controller can correctly transfer subscription - replacing navigator'
,
(
WidgetTester
tester
)
async
{
final
GlobalKey
<
NavigatorState
>
key1
=
GlobalKey
<
NavigatorState
>();
final
GlobalKey
<
NavigatorState
>
key2
=
GlobalKey
<
NavigatorState
>();
final
List
<
NavigatorObservation
>
observations
=
<
NavigatorObservation
>[];
final
HeroControllerSpy
spy
=
HeroControllerSpy
()
..
onPushed
=
(
Route
<
dynamic
>
route
,
Route
<
dynamic
>
previousRoute
)
{
observations
.
add
(
NavigatorObservation
(
current:
route
?.
settings
?.
name
,
previous:
previousRoute
?.
settings
?.
name
,
operation:
'didPush'
)
);
};
await
tester
.
pumpWidget
(
HeroControllerScope
(
controller:
spy
,
child:
Directionality
(
textDirection:
TextDirection
.
ltr
,
child:
Navigator
(
key:
key1
,
initialRoute:
'navigator1'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
const
Placeholder
();
},
settings:
s
,
);
},
),
)
)
);
// Transfer the subscription to another navigator
await
tester
.
pumpWidget
(
HeroControllerScope
(
controller:
spy
,
child:
Directionality
(
textDirection:
TextDirection
.
ltr
,
child:
Navigator
(
key:
key2
,
initialRoute:
'navigator2'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
const
Placeholder
();
},
settings:
s
,
);
},
),
)
)
);
observations
.
clear
();
key2
.
currentState
.
push
(
MaterialPageRoute
<
void
>(
settings:
const
RouteSettings
(
name:
'new route'
),
builder:
(
BuildContext
context
)
=>
const
Text
(
'new route'
)
));
await
tester
.
pumpAndSettle
();
expect
(
find
.
text
(
'new route'
),
findsOneWidget
);
// It should record from the new navigator.
expect
(
observations
.
length
,
1
);
expect
(
observations
[
0
].
current
,
'new route'
);
expect
(
observations
[
0
].
previous
,
'navigator2'
);
});
testWidgets
(
'hero controller can correctly transfer subscription - swapping navigator'
,
(
WidgetTester
tester
)
async
{
final
GlobalKey
<
NavigatorState
>
key1
=
GlobalKey
<
NavigatorState
>();
final
GlobalKey
<
NavigatorState
>
key2
=
GlobalKey
<
NavigatorState
>();
final
List
<
NavigatorObservation
>
observations1
=
<
NavigatorObservation
>[];
final
HeroControllerSpy
spy1
=
HeroControllerSpy
()
..
onPushed
=
(
Route
<
dynamic
>
route
,
Route
<
dynamic
>
previousRoute
)
{
observations1
.
add
(
NavigatorObservation
(
current:
route
?.
settings
?.
name
,
previous:
previousRoute
?.
settings
?.
name
,
operation:
'didPush'
)
);
};
final
List
<
NavigatorObservation
>
observations2
=
<
NavigatorObservation
>[];
final
HeroControllerSpy
spy2
=
HeroControllerSpy
()
..
onPushed
=
(
Route
<
dynamic
>
route
,
Route
<
dynamic
>
previousRoute
)
{
observations2
.
add
(
NavigatorObservation
(
current:
route
?.
settings
?.
name
,
previous:
previousRoute
?.
settings
?.
name
,
operation:
'didPush'
)
);
};
await
tester
.
pumpWidget
(
Directionality
(
textDirection:
TextDirection
.
ltr
,
child:
Stack
(
children:
<
Widget
>[
HeroControllerScope
(
controller:
spy1
,
child:
Navigator
(
key:
key1
,
initialRoute:
'navigator1'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
const
Placeholder
();
},
settings:
s
,
);
},
)
),
HeroControllerScope
(
controller:
spy2
,
child:
Navigator
(
key:
key2
,
initialRoute:
'navigator2'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
const
Placeholder
();
},
settings:
s
,
);
},
)
),
],
),
),
);
expect
(
observations1
.
length
,
1
);
expect
(
observations1
[
0
].
current
,
'navigator1'
);
expect
(
observations1
[
0
].
previous
,
isNull
);
expect
(
observations2
.
length
,
1
);
expect
(
observations2
[
0
].
current
,
'navigator2'
);
expect
(
observations2
[
0
].
previous
,
isNull
);
// Swaps the spies.
await
tester
.
pumpWidget
(
Directionality
(
textDirection:
TextDirection
.
ltr
,
child:
Stack
(
children:
<
Widget
>[
HeroControllerScope
(
controller:
spy2
,
child:
Navigator
(
key:
key1
,
initialRoute:
'navigator1'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
const
Placeholder
();
},
settings:
s
,
);
},
)
),
HeroControllerScope
(
controller:
spy1
,
child:
Navigator
(
key:
key2
,
initialRoute:
'navigator2'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
const
Placeholder
();
},
settings:
s
,
);
},
)
),
],
),
),
);
// Pushes a route to navigator2.
key2
.
currentState
.
push
(
MaterialPageRoute
<
void
>(
settings:
const
RouteSettings
(
name:
'new route2'
),
builder:
(
BuildContext
context
)
=>
const
Text
(
'new route2'
)
));
await
tester
.
pumpAndSettle
();
expect
(
find
.
text
(
'new route2'
),
findsOneWidget
);
// The spy1 should record the push in navigator2.
expect
(
observations1
.
length
,
2
);
expect
(
observations1
[
1
].
current
,
'new route2'
);
expect
(
observations1
[
1
].
previous
,
'navigator2'
);
// The spy2 should not record anything.
expect
(
observations2
.
length
,
1
);
// Pushes a route to navigator1
key1
.
currentState
.
push
(
MaterialPageRoute
<
void
>(
settings:
const
RouteSettings
(
name:
'new route1'
),
builder:
(
BuildContext
context
)
=>
const
Text
(
'new route1'
)
));
await
tester
.
pumpAndSettle
();
expect
(
find
.
text
(
'new route1'
),
findsOneWidget
);
// The spy1 should not record anything.
expect
(
observations1
.
length
,
2
);
// The spy2 should record the push in navigator1.
expect
(
observations2
.
length
,
2
);
expect
(
observations2
[
1
].
current
,
'new route1'
);
expect
(
observations2
[
1
].
previous
,
'navigator1'
);
});
testWidgets
(
'hero controller subscribes to multiple navigators does throw'
,
(
WidgetTester
tester
)
async
{
final
HeroControllerSpy
spy
=
HeroControllerSpy
();
await
tester
.
pumpWidget
(
HeroControllerScope
(
controller:
spy
,
child:
Directionality
(
textDirection:
TextDirection
.
ltr
,
child:
Stack
(
children:
<
Widget
>[
Navigator
(
initialRoute:
'navigator1'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
const
Placeholder
();
},
settings:
s
,
);
},
),
Navigator
(
initialRoute:
'navigator2'
,
onGenerateRoute:
(
RouteSettings
s
)
{
return
MaterialPageRoute
<
void
>(
builder:
(
BuildContext
c
)
{
return
const
Placeholder
();
},
settings:
s
,
);
},
),
],
),
),
),
);
expect
(
tester
.
takeException
(),
isAssertionError
);
});
group
(
'Page api'
,
(){
group
(
'Page api'
,
(){
Widget
buildNavigator
({
Widget
buildNavigator
({
List
<
Page
<
dynamic
>>
pages
,
List
<
Page
<
dynamic
>>
pages
,
...
...
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