[_fe_analyzer_shared] Update SDK constraint to ^3.9.0 and reformat files.

Change-Id: I6a6a69642c8c0417d3d8f2680daf68c48694bf03
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/446989
Reviewed-by: Konstantin Shcheglov <[email protected]>
Commit-Queue: Paul Berry <[email protected]>

Author: stereotype441

pkg/_fe_analyzer_shared/lib/src/exhaustiveness/exhaustive.dart

@@ -324,8 +324,8 @@ class _Checker {
 
     // Sorting isn't necessary, but makes the behavior deterministic.
     List<Key> sortedPropertyKeys = propertyKeys.toList()..sort();
-    List<Key> sortedAdditionalPropertyKeys =
-        additionalPropertyKeys.toList()..sort();
+    List<Key> sortedAdditionalPropertyKeys = additionalPropertyKeys.toList()
+      ..sort();
 
     // Remove the first column from the value list and replace it with any
     // expanded fields.

pkg/_fe_analyzer_shared/lib/src/exhaustiveness/shared.dart

@@ -323,16 +323,15 @@ class ExhaustivenessCache<
     String textualRepresentation,
   ) {
     Type nonNullable = typeOperations.getNonNullable(type);
-    StaticType staticType =
-        _uniqueTypeMap[uniqueValue] ??=
-            new GeneralValueStaticType<Type, Identity>(
-              typeOperations,
-              this,
-              nonNullable,
-              new IdentityRestriction<Identity>(uniqueValue),
-              textualRepresentation,
-              uniqueValue,
-            );
+    StaticType staticType = _uniqueTypeMap[uniqueValue] ??=
+        new GeneralValueStaticType<Type, Identity>(
+          typeOperations,
+          this,
+          nonNullable,
+          new IdentityRestriction<Identity>(uniqueValue),
+          textualRepresentation,
+          uniqueValue,
+        );
     if (typeOperations.isNullable(type)) {
       staticType = staticType.nullable;
     }
@@ -657,8 +656,9 @@ mixin SpaceCreator<Pattern extends Object, Type extends Object> {
     if (space.singleSpaces.length == 1) {
       // Optimize for simple spaces to avoid unnecessary expansion of subtypes.
       SingleSpace singleSpace = space.singleSpaces.single;
-      bool isUnrestricted =
-          unrestrictedCache[singleSpace] ??= _isUnrestricted(singleSpace);
+      bool isUnrestricted = unrestrictedCache[singleSpace] ??= _isUnrestricted(
+        singleSpace,
+      );
       if (isUnrestricted && type.isSubtypeOf(singleSpace.type)) {
         return true;
       }
@@ -677,8 +677,8 @@ mixin SpaceCreator<Pattern extends Object, Type extends Object> {
     for (StaticType subtype in subtypes) {
       bool found = false;
       for (SingleSpace singleSpace in space.singleSpaces) {
-        bool isUnrestricted =
-            unrestrictedCache[singleSpace] ??= _isUnrestricted(singleSpace);
+        bool isUnrestricted = unrestrictedCache[singleSpace] ??=
+            _isUnrestricted(singleSpace);
         if (isUnrestricted && subtype.isSubtypeOf(singleSpace.type)) {
           found = true;
           break;

pkg/_fe_analyzer_shared/lib/src/exhaustiveness/static_type.dart

@@ -496,18 +496,15 @@ class WrappedStaticType extends _BaseStaticType {
   @override
   late final StaticType nonNullable =
       wrappedType.nonNullable == wrappedType &&
-              impliedType.nonNullable == impliedType
-          ? this
-          : new WrappedStaticType(
-            wrappedType.nonNullable,
-            impliedType.nonNullable,
-          );
+          impliedType.nonNullable == impliedType
+      ? this
+      : new WrappedStaticType(wrappedType.nonNullable, impliedType.nonNullable);
 
   @override
   late final StaticType nullable =
       wrappedType.nullable == wrappedType && impliedType.nullable == impliedType
-          ? this
-          : new WrappedStaticType(wrappedType.nullable, impliedType.nullable);
+      ? this
+      : new WrappedStaticType(wrappedType.nullable, impliedType.nullable);
 
   @override
   void typeToDart(DartTemplateBuffer buffer) {