library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:10:10: Error: 'topLevelFieldAndDuplicateSetter' is already declared in this scope.
// void set topLevelFieldAndDuplicateSetter(int? value) {}
//          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:9:10: Context: Previous declaration of 'topLevelFieldAndDuplicateSetter'.
// void set topLevelFieldAndDuplicateSetter(int? value) {}
//          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:13:12: Error: 'duplicateTopLevelFieldAndSetter1' is already declared in this scope.
// final int? duplicateTopLevelFieldAndSetter1 = null;
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:12:6: Context: Previous declaration of 'duplicateTopLevelFieldAndSetter1'.
// int? duplicateTopLevelFieldAndSetter1;
//      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:17:6: Error: 'duplicateTopLevelFieldAndSetter2' is already declared in this scope.
// int? duplicateTopLevelFieldAndSetter2;
//      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:16:12: Context: Previous declaration of 'duplicateTopLevelFieldAndSetter2'.
// final int? duplicateTopLevelFieldAndSetter2 = null;
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:25:10: Error: 'topLevelLateFinalFieldAndDuplicateSetter' is already declared in this scope.
// void set topLevelLateFinalFieldAndDuplicateSetter(int? value) {}
//          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:24:10: Context: Previous declaration of 'topLevelLateFinalFieldAndDuplicateSetter'.
// void set topLevelLateFinalFieldAndDuplicateSetter(int? value) {}
//          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:33:12: Error: 'instanceFieldAndDuplicateSetter' is already declared in this scope.
//   void set instanceFieldAndDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:32:12: Context: Previous declaration of 'instanceFieldAndDuplicateSetter'.
//   void set instanceFieldAndDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:36:14: Error: 'duplicateInstanceFieldAndSetter1' is already declared in this scope.
//   final int? duplicateInstanceFieldAndSetter1 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:35:8: Context: Previous declaration of 'duplicateInstanceFieldAndSetter1'.
//   int? duplicateInstanceFieldAndSetter1;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:40:8: Error: 'duplicateInstanceFieldAndSetter2' is already declared in this scope.
//   int? duplicateInstanceFieldAndSetter2;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:39:14: Context: Previous declaration of 'duplicateInstanceFieldAndSetter2'.
//   final int? duplicateInstanceFieldAndSetter2 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:48:12: Error: 'instanceLateFinalFieldAndDuplicateSetter' is already declared in this scope.
//   void set instanceLateFinalFieldAndDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:47:12: Context: Previous declaration of 'instanceLateFinalFieldAndDuplicateSetter'.
//   void set instanceLateFinalFieldAndDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:55:19: Error: 'staticFieldAndDuplicateSetter' is already declared in this scope.
//   static void set staticFieldAndDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:54:19: Context: Previous declaration of 'staticFieldAndDuplicateSetter'.
//   static void set staticFieldAndDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:58:21: Error: 'duplicateStaticFieldAndSetter1' is already declared in this scope.
//   static final int? duplicateStaticFieldAndSetter1 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:57:15: Context: Previous declaration of 'duplicateStaticFieldAndSetter1'.
//   static int? duplicateStaticFieldAndSetter1;
//               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:62:15: Error: 'duplicateStaticFieldAndSetter2' is already declared in this scope.
//   static int? duplicateStaticFieldAndSetter2;
//               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:61:21: Context: Previous declaration of 'duplicateStaticFieldAndSetter2'.
//   static final int? duplicateStaticFieldAndSetter2 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:70:19: Error: 'staticLateFinalFieldAndDuplicateSetter' is already declared in this scope.
//   static void set staticLateFinalFieldAndDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:69:19: Context: Previous declaration of 'staticLateFinalFieldAndDuplicateSetter'.
//   static void set staticLateFinalFieldAndDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:77:12: Error: 'staticFieldAndInstanceDuplicateSetter' is already declared in this scope.
//   void set staticFieldAndInstanceDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:76:12: Context: Previous declaration of 'staticFieldAndInstanceDuplicateSetter'.
//   void set staticFieldAndInstanceDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:84:19: Error: 'instanceFieldAndStaticDuplicateSetter' is already declared in this scope.
//   static void set instanceFieldAndStaticDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:83:19: Context: Previous declaration of 'instanceFieldAndStaticDuplicateSetter'.
//   static void set instanceFieldAndStaticDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:87:14: Error: 'duplicateInstanceFieldAndStaticSetter1' is already declared in this scope.
//   final int? duplicateInstanceFieldAndStaticSetter1 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:86:8: Context: Previous declaration of 'duplicateInstanceFieldAndStaticSetter1'.
//   int? duplicateInstanceFieldAndStaticSetter1;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:91:8: Error: 'duplicateInstanceFieldAndStaticSetter2' is already declared in this scope.
//   int? duplicateInstanceFieldAndStaticSetter2;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:90:14: Context: Previous declaration of 'duplicateInstanceFieldAndStaticSetter2'.
//   final int? duplicateInstanceFieldAndStaticSetter2 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:95:21: Error: 'duplicateStaticFieldAndInstanceSetter1' is already declared in this scope.
//   static final int? duplicateStaticFieldAndInstanceSetter1 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:94:15: Context: Previous declaration of 'duplicateStaticFieldAndInstanceSetter1'.
//   static int? duplicateStaticFieldAndInstanceSetter1;
//               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:99:15: Error: 'duplicateStaticFieldAndInstanceSetter2' is already declared in this scope.
//   static int? duplicateStaticFieldAndInstanceSetter2;
//               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:98:21: Context: Previous declaration of 'duplicateStaticFieldAndInstanceSetter2'.
//   static final int? duplicateStaticFieldAndInstanceSetter2 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:104:8: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   int? extensionInstanceFieldAndSetter;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:107:8: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   int? extensionInstanceFieldAndDuplicateSetter;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:109:12: Error: 'extensionInstanceFieldAndDuplicateSetter' is already declared in this scope.
//   void set extensionInstanceFieldAndDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:108:12: Context: Previous declaration of 'extensionInstanceFieldAndDuplicateSetter'.
//   void set extensionInstanceFieldAndDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:111:8: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   int? duplicateExtensionInstanceFieldAndSetter1;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:112:14: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   final int? duplicateExtensionInstanceFieldAndSetter1 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:112:14: Error: 'duplicateExtensionInstanceFieldAndSetter1' is already declared in this scope.
//   final int? duplicateExtensionInstanceFieldAndSetter1 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:111:8: Context: Previous declaration of 'duplicateExtensionInstanceFieldAndSetter1'.
//   int? duplicateExtensionInstanceFieldAndSetter1;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:115:14: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   final int? duplicateExtensionInstanceFieldAndSetter2 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:116:8: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   int? duplicateExtensionInstanceFieldAndSetter2;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:116:8: Error: 'duplicateExtensionInstanceFieldAndSetter2' is already declared in this scope.
//   int? duplicateExtensionInstanceFieldAndSetter2;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:115:14: Context: Previous declaration of 'duplicateExtensionInstanceFieldAndSetter2'.
//   final int? duplicateExtensionInstanceFieldAndSetter2 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:124:19: Error: 'extensionStaticFieldAndDuplicateSetter' is already declared in this scope.
//   static void set extensionStaticFieldAndDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:123:19: Context: Previous declaration of 'extensionStaticFieldAndDuplicateSetter'.
//   static void set extensionStaticFieldAndDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:127:21: Error: 'duplicateExtensionStaticFieldAndSetter1' is already declared in this scope.
//   static final int? duplicateExtensionStaticFieldAndSetter1 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:126:15: Context: Previous declaration of 'duplicateExtensionStaticFieldAndSetter1'.
//   static int? duplicateExtensionStaticFieldAndSetter1;
//               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:131:15: Error: 'duplicateExtensionStaticFieldAndSetter2' is already declared in this scope.
//   static int? duplicateExtensionStaticFieldAndSetter2;
//               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:130:21: Context: Previous declaration of 'duplicateExtensionStaticFieldAndSetter2'.
//   static final int? duplicateExtensionStaticFieldAndSetter2 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:139:19: Error: 'extensionStaticLateFinalFieldAndDuplicateSetter' is already declared in this scope.
//   static void set extensionStaticLateFinalFieldAndDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:138:19: Context: Previous declaration of 'extensionStaticLateFinalFieldAndDuplicateSetter'.
//   static void set extensionStaticLateFinalFieldAndDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:146:12: Error: 'extensionStaticFieldAndInstanceDuplicateSetter' is already declared in this scope.
//   void set extensionStaticFieldAndInstanceDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:145:12: Context: Previous declaration of 'extensionStaticFieldAndInstanceDuplicateSetter'.
//   void set extensionStaticFieldAndInstanceDuplicateSetter(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:148:8: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   int? extensionInstanceFieldAndStaticSetter;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:151:8: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   int? extensionInstanceFieldAndStaticDuplicateSetter;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:153:19: Error: 'extensionInstanceFieldAndStaticDuplicateSetter' is already declared in this scope.
//   static void set extensionInstanceFieldAndStaticDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:152:19: Context: Previous declaration of 'extensionInstanceFieldAndStaticDuplicateSetter'.
//   static void set extensionInstanceFieldAndStaticDuplicateSetter(int? value) {}
//                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:155:8: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   int? duplicateExtensionInstanceFieldAndStaticSetter1;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:156:14: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   final int? duplicateExtensionInstanceFieldAndStaticSetter1 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:156:14: Error: 'duplicateExtensionInstanceFieldAndStaticSetter1' is already declared in this scope.
//   final int? duplicateExtensionInstanceFieldAndStaticSetter1 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:155:8: Context: Previous declaration of 'duplicateExtensionInstanceFieldAndStaticSetter1'.
//   int? duplicateExtensionInstanceFieldAndStaticSetter1;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:159:14: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   final int? duplicateExtensionInstanceFieldAndStaticSetter2 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:160:8: Error: Extensions can't declare instance fields
// Try removing the field declaration or making it a static field
//   int? duplicateExtensionInstanceFieldAndStaticSetter2;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:160:8: Error: 'duplicateExtensionInstanceFieldAndStaticSetter2' is already declared in this scope.
//   int? duplicateExtensionInstanceFieldAndStaticSetter2;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:159:14: Context: Previous declaration of 'duplicateExtensionInstanceFieldAndStaticSetter2'.
//   final int? duplicateExtensionInstanceFieldAndStaticSetter2 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:164:21: Error: 'duplicateExtensionStaticFieldAndInstanceSetter1' is already declared in this scope.
//   static final int? duplicateExtensionStaticFieldAndInstanceSetter1 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:163:15: Context: Previous declaration of 'duplicateExtensionStaticFieldAndInstanceSetter1'.
//   static int? duplicateExtensionStaticFieldAndInstanceSetter1;
//               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:168:15: Error: 'duplicateExtensionStaticFieldAndInstanceSetter2' is already declared in this scope.
//   static int? duplicateExtensionStaticFieldAndInstanceSetter2;
//               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:167:21: Context: Previous declaration of 'duplicateExtensionStaticFieldAndInstanceSetter2'.
//   static final int? duplicateExtensionStaticFieldAndInstanceSetter2 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart: Error: 'topLevelFieldAndDuplicateSetter' is exported from both 'pkg/front_end/testcases/nnbd/field_vs_setter.dart' and 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart: Error: 'topLevelLateFinalFieldAndDuplicateSetter' is exported from both 'pkg/front_end/testcases/nnbd/field_vs_setter.dart' and 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:6:10: Error: Conflicts with the implicit setter of the field 'topLevelFieldAndSetter'.
// void set topLevelFieldAndSetter(int? value) {}
//          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:5:6: Error: Conflicts with setter 'topLevelFieldAndSetter'.
// int? topLevelFieldAndSetter;
//      ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:10:10: Error: Conflicts with the implicit setter of the field 'topLevelFieldAndDuplicateSetter'.
// void set topLevelFieldAndDuplicateSetter(int? value) {}
//          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:9:10: Error: Conflicts with the implicit setter of the field 'topLevelFieldAndDuplicateSetter'.
// void set topLevelFieldAndDuplicateSetter(int? value) {}
//          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:8:6: Error: Conflicts with setter 'topLevelFieldAndDuplicateSetter'.
// int? topLevelFieldAndDuplicateSetter;
//      ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:14:10: Error: Conflicts with the implicit setter of the field 'duplicateTopLevelFieldAndSetter1'.
// void set duplicateTopLevelFieldAndSetter1(int? value) {}
//          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:12:6: Error: Conflicts with setter 'duplicateTopLevelFieldAndSetter1'.
// int? duplicateTopLevelFieldAndSetter1;
//      ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:18:10: Error: Conflicts with the implicit setter of the field 'duplicateTopLevelFieldAndSetter2'.
// void set duplicateTopLevelFieldAndSetter2(int? value) {}
//          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:17:6: Error: Conflicts with setter 'duplicateTopLevelFieldAndSetter2'.
// int? duplicateTopLevelFieldAndSetter2;
//      ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:21:10: Error: Conflicts with the implicit setter of the field 'topLevelLateFinalFieldAndSetter'.
// void set topLevelLateFinalFieldAndSetter(int? value) {}
//          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:20:17: Error: Conflicts with setter 'topLevelLateFinalFieldAndSetter'.
// late final int? topLevelLateFinalFieldAndSetter;
//                 ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:25:10: Error: Conflicts with the implicit setter of the field 'topLevelLateFinalFieldAndDuplicateSetter'.
// void set topLevelLateFinalFieldAndDuplicateSetter(int? value) {}
//          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:24:10: Error: Conflicts with the implicit setter of the field 'topLevelLateFinalFieldAndDuplicateSetter'.
// void set topLevelLateFinalFieldAndDuplicateSetter(int? value) {}
//          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:23:17: Error: Conflicts with setter 'topLevelLateFinalFieldAndDuplicateSetter'.
// late final int? topLevelLateFinalFieldAndDuplicateSetter;
//                 ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:29:12: Error: Conflicts with the implicit setter of the field 'instanceFieldAndSetter'.
//   void set instanceFieldAndSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:28:8: Error: Conflicts with setter 'instanceFieldAndSetter'.
//   int? instanceFieldAndSetter;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:33:12: Error: Conflicts with the implicit setter of the field 'instanceFieldAndDuplicateSetter'.
//   void set instanceFieldAndDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:32:12: Error: Conflicts with the implicit setter of the field 'instanceFieldAndDuplicateSetter'.
//   void set instanceFieldAndDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:31:8: Error: Conflicts with setter 'instanceFieldAndDuplicateSetter'.
//   int? instanceFieldAndDuplicateSetter;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:37:12: Error: Conflicts with the implicit setter of the field 'duplicateInstanceFieldAndSetter1'.
//   void set duplicateInstanceFieldAndSetter1(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:35:8: Error: Conflicts with setter 'duplicateInstanceFieldAndSetter1'.
//   int? duplicateInstanceFieldAndSetter1;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:41:12: Error: Conflicts with the implicit setter of the field 'duplicateInstanceFieldAndSetter2'.
//   void set duplicateInstanceFieldAndSetter2(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:40:8: Error: Conflicts with setter 'duplicateInstanceFieldAndSetter2'.
//   int? duplicateInstanceFieldAndSetter2;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:44:12: Error: Conflicts with the implicit setter of the field 'instanceLateFinalFieldAndSetter'.
//   void set instanceLateFinalFieldAndSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:43:19: Error: Conflicts with setter 'instanceLateFinalFieldAndSetter'.
//   late final int? instanceLateFinalFieldAndSetter;
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:48:12: Error: Conflicts with the implicit setter of the field 'instanceLateFinalFieldAndDuplicateSetter'.
//   void set instanceLateFinalFieldAndDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:47:12: Error: Conflicts with the implicit setter of the field 'instanceLateFinalFieldAndDuplicateSetter'.
//   void set instanceLateFinalFieldAndDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:46:19: Error: Conflicts with setter 'instanceLateFinalFieldAndDuplicateSetter'.
//   late final int? instanceLateFinalFieldAndDuplicateSetter;
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:51:19: Error: Conflicts with the implicit setter of the field 'staticFieldAndSetter'.
//   static void set staticFieldAndSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:50:15: Error: Conflicts with setter 'staticFieldAndSetter'.
//   static int? staticFieldAndSetter;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:55:19: Error: Conflicts with the implicit setter of the field 'staticFieldAndDuplicateSetter'.
//   static void set staticFieldAndDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:54:19: Error: Conflicts with the implicit setter of the field 'staticFieldAndDuplicateSetter'.
//   static void set staticFieldAndDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:53:15: Error: Conflicts with setter 'staticFieldAndDuplicateSetter'.
//   static int? staticFieldAndDuplicateSetter;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:59:19: Error: Conflicts with the implicit setter of the field 'duplicateStaticFieldAndSetter1'.
//   static void set duplicateStaticFieldAndSetter1(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:57:15: Error: Conflicts with setter 'duplicateStaticFieldAndSetter1'.
//   static int? duplicateStaticFieldAndSetter1;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:63:19: Error: Conflicts with the implicit setter of the field 'duplicateStaticFieldAndSetter2'.
//   static void set duplicateStaticFieldAndSetter2(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:62:15: Error: Conflicts with setter 'duplicateStaticFieldAndSetter2'.
//   static int? duplicateStaticFieldAndSetter2;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:66:19: Error: Conflicts with the implicit setter of the field 'staticLateFinalFieldAndSetter'.
//   static void set staticLateFinalFieldAndSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:65:26: Error: Conflicts with setter 'staticLateFinalFieldAndSetter'.
//   static late final int? staticLateFinalFieldAndSetter;
//                          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:70:19: Error: Conflicts with the implicit setter of the field 'staticLateFinalFieldAndDuplicateSetter'.
//   static void set staticLateFinalFieldAndDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:69:19: Error: Conflicts with the implicit setter of the field 'staticLateFinalFieldAndDuplicateSetter'.
//   static void set staticLateFinalFieldAndDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:68:26: Error: Conflicts with setter 'staticLateFinalFieldAndDuplicateSetter'.
//   static late final int? staticLateFinalFieldAndDuplicateSetter;
//                          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:73:12: Error: Conflicts with the implicit setter of the field 'staticFieldAndInstanceSetter'.
//   void set staticFieldAndInstanceSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:72:15: Error: Conflicts with setter 'staticFieldAndInstanceSetter'.
//   static int? staticFieldAndInstanceSetter;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:77:12: Error: Conflicts with the implicit setter of the field 'staticFieldAndInstanceDuplicateSetter'.
//   void set staticFieldAndInstanceDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:76:12: Error: Conflicts with the implicit setter of the field 'staticFieldAndInstanceDuplicateSetter'.
//   void set staticFieldAndInstanceDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:75:15: Error: Conflicts with setter 'staticFieldAndInstanceDuplicateSetter'.
//   static int? staticFieldAndInstanceDuplicateSetter;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:80:19: Error: Conflicts with the implicit setter of the field 'instanceFieldAndStaticSetter'.
//   static void set instanceFieldAndStaticSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:79:8: Error: Conflicts with setter 'instanceFieldAndStaticSetter'.
//   int? instanceFieldAndStaticSetter;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:84:19: Error: Conflicts with the implicit setter of the field 'instanceFieldAndStaticDuplicateSetter'.
//   static void set instanceFieldAndStaticDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:83:19: Error: Conflicts with the implicit setter of the field 'instanceFieldAndStaticDuplicateSetter'.
//   static void set instanceFieldAndStaticDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:82:8: Error: Conflicts with setter 'instanceFieldAndStaticDuplicateSetter'.
//   int? instanceFieldAndStaticDuplicateSetter;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:88:19: Error: Conflicts with the implicit setter of the field 'duplicateInstanceFieldAndStaticSetter1'.
//   static void set duplicateInstanceFieldAndStaticSetter1(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:86:8: Error: Conflicts with setter 'duplicateInstanceFieldAndStaticSetter1'.
//   int? duplicateInstanceFieldAndStaticSetter1;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:92:19: Error: Conflicts with the implicit setter of the field 'duplicateInstanceFieldAndStaticSetter2'.
//   static void set duplicateInstanceFieldAndStaticSetter2(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:91:8: Error: Conflicts with setter 'duplicateInstanceFieldAndStaticSetter2'.
//   int? duplicateInstanceFieldAndStaticSetter2;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:96:12: Error: Conflicts with the implicit setter of the field 'duplicateStaticFieldAndInstanceSetter1'.
//   void set duplicateStaticFieldAndInstanceSetter1(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:94:15: Error: Conflicts with setter 'duplicateStaticFieldAndInstanceSetter1'.
//   static int? duplicateStaticFieldAndInstanceSetter1;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:100:12: Error: Conflicts with the implicit setter of the field 'duplicateStaticFieldAndInstanceSetter2'.
//   void set duplicateStaticFieldAndInstanceSetter2(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:99:15: Error: Conflicts with setter 'duplicateStaticFieldAndInstanceSetter2'.
//   static int? duplicateStaticFieldAndInstanceSetter2;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:105:12: Error: Conflicts with the implicit setter of the field 'extensionInstanceFieldAndSetter'.
//   void set extensionInstanceFieldAndSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:104:8: Error: Conflicts with setter 'extensionInstanceFieldAndSetter'.
//   int? extensionInstanceFieldAndSetter;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:109:12: Error: Conflicts with the implicit setter of the field 'extensionInstanceFieldAndDuplicateSetter'.
//   void set extensionInstanceFieldAndDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:108:12: Error: Conflicts with the implicit setter of the field 'extensionInstanceFieldAndDuplicateSetter'.
//   void set extensionInstanceFieldAndDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:107:8: Error: Conflicts with setter 'extensionInstanceFieldAndDuplicateSetter'.
//   int? extensionInstanceFieldAndDuplicateSetter;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:113:12: Error: Conflicts with the implicit setter of the field 'duplicateExtensionInstanceFieldAndSetter1'.
//   void set duplicateExtensionInstanceFieldAndSetter1(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:111:8: Error: Conflicts with setter 'duplicateExtensionInstanceFieldAndSetter1'.
//   int? duplicateExtensionInstanceFieldAndSetter1;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:117:12: Error: Conflicts with the implicit setter of the field 'duplicateExtensionInstanceFieldAndSetter2'.
//   void set duplicateExtensionInstanceFieldAndSetter2(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:116:8: Error: Conflicts with setter 'duplicateExtensionInstanceFieldAndSetter2'.
//   int? duplicateExtensionInstanceFieldAndSetter2;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:120:19: Error: Conflicts with the implicit setter of the field 'extensionStaticFieldAndSetter'.
//   static void set extensionStaticFieldAndSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:119:15: Error: Conflicts with setter 'extensionStaticFieldAndSetter'.
//   static int? extensionStaticFieldAndSetter;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:124:19: Error: Conflicts with the implicit setter of the field 'extensionStaticFieldAndDuplicateSetter'.
//   static void set extensionStaticFieldAndDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:123:19: Error: Conflicts with the implicit setter of the field 'extensionStaticFieldAndDuplicateSetter'.
//   static void set extensionStaticFieldAndDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:122:15: Error: Conflicts with setter 'extensionStaticFieldAndDuplicateSetter'.
//   static int? extensionStaticFieldAndDuplicateSetter;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:128:19: Error: Conflicts with the implicit setter of the field 'duplicateExtensionStaticFieldAndSetter1'.
//   static void set duplicateExtensionStaticFieldAndSetter1(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:126:15: Error: Conflicts with setter 'duplicateExtensionStaticFieldAndSetter1'.
//   static int? duplicateExtensionStaticFieldAndSetter1;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:132:19: Error: Conflicts with the implicit setter of the field 'duplicateExtensionStaticFieldAndSetter2'.
//   static void set duplicateExtensionStaticFieldAndSetter2(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:131:15: Error: Conflicts with setter 'duplicateExtensionStaticFieldAndSetter2'.
//   static int? duplicateExtensionStaticFieldAndSetter2;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:135:19: Error: Conflicts with the implicit setter of the field 'extensionStaticLateFinalFieldAndSetter'.
//   static void set extensionStaticLateFinalFieldAndSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:134:26: Error: Conflicts with setter 'extensionStaticLateFinalFieldAndSetter'.
//   static late final int? extensionStaticLateFinalFieldAndSetter;
//                          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:139:19: Error: Conflicts with the implicit setter of the field 'extensionStaticLateFinalFieldAndDuplicateSetter'.
//   static void set extensionStaticLateFinalFieldAndDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:138:19: Error: Conflicts with the implicit setter of the field 'extensionStaticLateFinalFieldAndDuplicateSetter'.
//   static void set extensionStaticLateFinalFieldAndDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:137:26: Error: Conflicts with setter 'extensionStaticLateFinalFieldAndDuplicateSetter'.
//   static late final int? extensionStaticLateFinalFieldAndDuplicateSetter;
//                          ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:142:12: Error: Conflicts with the implicit setter of the field 'extensionStaticFieldAndInstanceSetter'.
//   void set extensionStaticFieldAndInstanceSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:141:15: Error: Conflicts with setter 'extensionStaticFieldAndInstanceSetter'.
//   static int? extensionStaticFieldAndInstanceSetter;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:146:12: Error: Conflicts with the implicit setter of the field 'extensionStaticFieldAndInstanceDuplicateSetter'.
//   void set extensionStaticFieldAndInstanceDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:145:12: Error: Conflicts with the implicit setter of the field 'extensionStaticFieldAndInstanceDuplicateSetter'.
//   void set extensionStaticFieldAndInstanceDuplicateSetter(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:144:15: Error: Conflicts with setter 'extensionStaticFieldAndInstanceDuplicateSetter'.
//   static int? extensionStaticFieldAndInstanceDuplicateSetter;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:149:19: Error: Conflicts with the implicit setter of the field 'extensionInstanceFieldAndStaticSetter'.
//   static void set extensionInstanceFieldAndStaticSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:148:8: Error: Conflicts with setter 'extensionInstanceFieldAndStaticSetter'.
//   int? extensionInstanceFieldAndStaticSetter;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:153:19: Error: Conflicts with the implicit setter of the field 'extensionInstanceFieldAndStaticDuplicateSetter'.
//   static void set extensionInstanceFieldAndStaticDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:152:19: Error: Conflicts with the implicit setter of the field 'extensionInstanceFieldAndStaticDuplicateSetter'.
//   static void set extensionInstanceFieldAndStaticDuplicateSetter(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:151:8: Error: Conflicts with setter 'extensionInstanceFieldAndStaticDuplicateSetter'.
//   int? extensionInstanceFieldAndStaticDuplicateSetter;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:157:19: Error: Conflicts with the implicit setter of the field 'duplicateExtensionInstanceFieldAndStaticSetter1'.
//   static void set duplicateExtensionInstanceFieldAndStaticSetter1(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:155:8: Error: Conflicts with setter 'duplicateExtensionInstanceFieldAndStaticSetter1'.
//   int? duplicateExtensionInstanceFieldAndStaticSetter1;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:156:14: Error: Conflicts with setter 'duplicateExtensionInstanceFieldAndStaticSetter1'.
//   final int? duplicateExtensionInstanceFieldAndStaticSetter1 = null;
//              ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:161:19: Error: Conflicts with the implicit setter of the field 'duplicateExtensionInstanceFieldAndStaticSetter2'.
//   static void set duplicateExtensionInstanceFieldAndStaticSetter2(int? value) {}
//                   ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:160:8: Error: Conflicts with setter 'duplicateExtensionInstanceFieldAndStaticSetter2'.
//   int? duplicateExtensionInstanceFieldAndStaticSetter2;
//        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:159:14: Error: Conflicts with setter 'duplicateExtensionInstanceFieldAndStaticSetter2'.
//   final int? duplicateExtensionInstanceFieldAndStaticSetter2 = null;
//              ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:165:12: Error: Conflicts with the implicit setter of the field 'duplicateExtensionStaticFieldAndInstanceSetter1'.
//   void set duplicateExtensionStaticFieldAndInstanceSetter1(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:163:15: Error: Conflicts with setter 'duplicateExtensionStaticFieldAndInstanceSetter1'.
//   static int? duplicateExtensionStaticFieldAndInstanceSetter1;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:164:21: Error: Conflicts with setter 'duplicateExtensionStaticFieldAndInstanceSetter1'.
//   static final int? duplicateExtensionStaticFieldAndInstanceSetter1 = null;
//                     ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:169:12: Error: Conflicts with the implicit setter of the field 'duplicateExtensionStaticFieldAndInstanceSetter2'.
//   void set duplicateExtensionStaticFieldAndInstanceSetter2(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:168:15: Error: Conflicts with setter 'duplicateExtensionStaticFieldAndInstanceSetter2'.
//   static int? duplicateExtensionStaticFieldAndInstanceSetter2;
//               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:167:21: Error: Conflicts with setter 'duplicateExtensionStaticFieldAndInstanceSetter2'.
//   static final int? duplicateExtensionStaticFieldAndInstanceSetter2 = null;
//                     ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:178:38: Error: Can't use 'duplicateTopLevelFieldAndSetter1' because it is declared more than once.
//   duplicateTopLevelFieldAndSetter1 = duplicateTopLevelFieldAndSetter1;
//                                      ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:178:36: Error: Can't assign to this.
//   duplicateTopLevelFieldAndSetter1 = duplicateTopLevelFieldAndSetter1;
//                                    ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:179:38: Error: Can't use 'duplicateTopLevelFieldAndSetter2' because it is declared more than once.
//   duplicateTopLevelFieldAndSetter2 = duplicateTopLevelFieldAndSetter2;
//                                      ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:179:36: Error: Can't assign to this.
//   duplicateTopLevelFieldAndSetter2 = duplicateTopLevelFieldAndSetter2;
//                                    ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:198:9: Error: Can't use 'duplicateStaticFieldAndSetter1' because it is declared more than once.
//   Class.duplicateStaticFieldAndSetter1 = Class.duplicateStaticFieldAndSetter1;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:198:48: Error: Can't use 'duplicateStaticFieldAndSetter1' because it is declared more than once.
//   Class.duplicateStaticFieldAndSetter1 = Class.duplicateStaticFieldAndSetter1;
//                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:198:40: Error: Can't assign to this.
//   Class.duplicateStaticFieldAndSetter1 = Class.duplicateStaticFieldAndSetter1;
//                                        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:199:9: Error: Can't use 'duplicateStaticFieldAndSetter2' because it is declared more than once.
//   Class.duplicateStaticFieldAndSetter2 = Class.duplicateStaticFieldAndSetter2;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:199:48: Error: Can't use 'duplicateStaticFieldAndSetter2' because it is declared more than once.
//   Class.duplicateStaticFieldAndSetter2 = Class.duplicateStaticFieldAndSetter2;
//                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:199:40: Error: Can't assign to this.
//   Class.duplicateStaticFieldAndSetter2 = Class.duplicateStaticFieldAndSetter2;
//                                        ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:209:9: Error: Setter not found: 'instanceFieldAndStaticSetter'.
//   Class.instanceFieldAndStaticSetter = c.instanceFieldAndStaticSetter;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:212:9: Error: Can't use 'instanceFieldAndStaticDuplicateSetter' because it is declared more than once.
//   Class.instanceFieldAndStaticDuplicateSetter =
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:212:47: Error: Can't assign to this.
//   Class.instanceFieldAndStaticDuplicateSetter =
//                                               ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:218:13: Error: Can't use 'duplicateStaticFieldAndInstanceSetter1' because it is declared more than once.
//       Class.duplicateStaticFieldAndInstanceSetter1;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:219:9: Error: Can't use 'duplicateStaticFieldAndInstanceSetter1' because it is declared more than once.
//   Class.duplicateStaticFieldAndInstanceSetter1 =
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:220:13: Error: Can't use 'duplicateStaticFieldAndInstanceSetter1' because it is declared more than once.
//       Class.duplicateStaticFieldAndInstanceSetter1;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:219:48: Error: Can't assign to this.
//   Class.duplicateStaticFieldAndInstanceSetter1 =
//                                                ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:223:13: Error: Can't use 'duplicateStaticFieldAndInstanceSetter2' because it is declared more than once.
//       Class.duplicateStaticFieldAndInstanceSetter2;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:224:9: Error: Can't use 'duplicateStaticFieldAndInstanceSetter2' because it is declared more than once.
//   Class.duplicateStaticFieldAndInstanceSetter2 =
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:225:13: Error: Can't use 'duplicateStaticFieldAndInstanceSetter2' because it is declared more than once.
//       Class.duplicateStaticFieldAndInstanceSetter2;
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:224:48: Error: Can't assign to this.
//   Class.duplicateStaticFieldAndInstanceSetter2 =
//                                                ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:227:9: Error: Can't use 'duplicateInstanceFieldAndStaticSetter1' because it is declared more than once.
//   Class.duplicateInstanceFieldAndStaticSetter1 =
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:227:48: Error: Can't assign to this.
//   Class.duplicateInstanceFieldAndStaticSetter1 =
//                                                ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:229:9: Error: Can't use 'duplicateInstanceFieldAndStaticSetter2' because it is declared more than once.
//   Class.duplicateInstanceFieldAndStaticSetter2 =
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:229:48: Error: Can't assign to this.
//   Class.duplicateInstanceFieldAndStaticSetter2 =
//                                                ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:252:13: Error: Can't use 'duplicateExtensionStaticFieldAndSetter1' because it is declared more than once.
//   Extension.duplicateExtensionStaticFieldAndSetter1 =
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:253:17: Error: Can't use 'duplicateExtensionStaticFieldAndSetter1' because it is declared more than once.
//       Extension.duplicateExtensionStaticFieldAndSetter1;
//                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:252:53: Error: Can't assign to this.
//   Extension.duplicateExtensionStaticFieldAndSetter1 =
//                                                     ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:254:13: Error: Can't use 'duplicateExtensionStaticFieldAndSetter2' because it is declared more than once.
//   Extension.duplicateExtensionStaticFieldAndSetter2 =
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:255:17: Error: Can't use 'duplicateExtensionStaticFieldAndSetter2' because it is declared more than once.
//       Extension.duplicateExtensionStaticFieldAndSetter2;
//                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:254:53: Error: Can't assign to this.
//   Extension.duplicateExtensionStaticFieldAndSetter2 =
//                                                     ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:267:13: Error: Setter not found: 'extensionInstanceFieldAndStaticSetter'.
//   Extension.extensionInstanceFieldAndStaticSetter =
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:272:13: Error: Can't use 'extensionInstanceFieldAndStaticDuplicateSetter' because it is declared more than once.
//   Extension.extensionInstanceFieldAndStaticDuplicateSetter =
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:272:60: Error: Can't assign to this.
//   Extension.extensionInstanceFieldAndStaticDuplicateSetter =
//                                                            ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:277:13: Error: Can't use 'duplicateExtensionInstanceFieldAndStaticSetter1' because it is declared more than once.
//   Extension.duplicateExtensionInstanceFieldAndStaticSetter1 =
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:277:61: Error: Can't assign to this.
//   Extension.duplicateExtensionInstanceFieldAndStaticSetter1 =
//                                                             ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:282:13: Error: Can't use 'duplicateExtensionInstanceFieldAndStaticSetter2' because it is declared more than once.
//   Extension.duplicateExtensionInstanceFieldAndStaticSetter2 =
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:282:61: Error: Can't assign to this.
//   Extension.duplicateExtensionInstanceFieldAndStaticSetter2 =
//                                                             ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:287:13: Error: Can't use 'duplicateExtensionStaticFieldAndInstanceSetter1' because it is declared more than once.
//   Extension.duplicateExtensionStaticFieldAndInstanceSetter1 =
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:288:17: Error: Can't use 'duplicateExtensionStaticFieldAndInstanceSetter1' because it is declared more than once.
//       Extension.duplicateExtensionStaticFieldAndInstanceSetter1;
//                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:287:61: Error: Can't assign to this.
//   Extension.duplicateExtensionStaticFieldAndInstanceSetter1 =
//                                                             ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:290:17: Error: Can't use 'duplicateExtensionStaticFieldAndInstanceSetter1' because it is declared more than once.
//       Extension.duplicateExtensionStaticFieldAndInstanceSetter1;
//                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:292:13: Error: Can't use 'duplicateExtensionStaticFieldAndInstanceSetter2' because it is declared more than once.
//   Extension.duplicateExtensionStaticFieldAndInstanceSetter2 =
//             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:293:17: Error: Can't use 'duplicateExtensionStaticFieldAndInstanceSetter2' because it is declared more than once.
//       Extension.duplicateExtensionStaticFieldAndInstanceSetter2;
//                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:292:61: Error: Can't assign to this.
//   Extension.duplicateExtensionStaticFieldAndInstanceSetter2 =
//                                                             ^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:295:17: Error: Can't use 'duplicateExtensionStaticFieldAndInstanceSetter2' because it is declared more than once.
//       Extension.duplicateExtensionStaticFieldAndInstanceSetter2;
//                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:188:5: Error: Can't use 'duplicateInstanceFieldAndStaticSetter1' because it is declared more than once.
//   c.duplicateInstanceFieldAndStaticSetter1 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:189:9: Error: Can't use 'duplicateInstanceFieldAndStaticSetter1' because it is declared more than once.
//       c.duplicateInstanceFieldAndStaticSetter1;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:189:9: Error: The getter 'duplicateInstanceFieldAndStaticSetter1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateInstanceFieldAndStaticSetter1'.
//       c.duplicateInstanceFieldAndStaticSetter1;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:188:5: Error: The setter 'duplicateInstanceFieldAndStaticSetter1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateInstanceFieldAndStaticSetter1'.
//   c.duplicateInstanceFieldAndStaticSetter1 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:190:5: Error: Can't use 'duplicateInstanceFieldAndStaticSetter2' because it is declared more than once.
//   c.duplicateInstanceFieldAndStaticSetter2 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:191:9: Error: Can't use 'duplicateInstanceFieldAndStaticSetter2' because it is declared more than once.
//       c.duplicateInstanceFieldAndStaticSetter2;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:191:9: Error: The getter 'duplicateInstanceFieldAndStaticSetter2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateInstanceFieldAndStaticSetter2'.
//       c.duplicateInstanceFieldAndStaticSetter2;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:190:5: Error: The setter 'duplicateInstanceFieldAndStaticSetter2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateInstanceFieldAndStaticSetter2'.
//   c.duplicateInstanceFieldAndStaticSetter2 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:201:5: Error: The setter 'staticFieldAndInstanceSetter' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'staticFieldAndInstanceSetter'.
//   c.staticFieldAndInstanceSetter = Class.staticFieldAndInstanceSetter;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:204:5: Error: The setter 'staticFieldAndInstanceDuplicateSetter' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'staticFieldAndInstanceDuplicateSetter'.
//   c.staticFieldAndInstanceDuplicateSetter =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:217:5: Error: The setter 'duplicateStaticFieldAndInstanceSetter1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateStaticFieldAndInstanceSetter1'.
//   c.duplicateStaticFieldAndInstanceSetter1 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:222:5: Error: The setter 'duplicateStaticFieldAndInstanceSetter2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateStaticFieldAndInstanceSetter2'.
//   c.duplicateStaticFieldAndInstanceSetter2 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:232:41: Error: The getter 'extensionInstanceFieldAndSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'extensionInstanceFieldAndSetter'.
//   0.extensionInstanceFieldAndSetter = 0.extensionInstanceFieldAndSetter;
//                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:232:5: Error: The setter 'extensionInstanceFieldAndSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionInstanceFieldAndSetter'.
//   0.extensionInstanceFieldAndSetter = 0.extensionInstanceFieldAndSetter;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:234:9: Error: The getter 'extensionInstanceFieldAndDuplicateSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'extensionInstanceFieldAndDuplicateSetter'.
//       0.extensionInstanceFieldAndDuplicateSetter;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:233:5: Error: The setter 'extensionInstanceFieldAndDuplicateSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionInstanceFieldAndDuplicateSetter'.
//   0.extensionInstanceFieldAndDuplicateSetter =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:237:9: Error: The getter 'duplicateExtensionInstanceFieldAndSetter1' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateExtensionInstanceFieldAndSetter1'.
//       0.duplicateExtensionInstanceFieldAndSetter1;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:236:5: Error: The setter 'duplicateExtensionInstanceFieldAndSetter1' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionInstanceFieldAndSetter1'.
//   0.duplicateExtensionInstanceFieldAndSetter1 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:239:9: Error: The getter 'duplicateExtensionInstanceFieldAndSetter2' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateExtensionInstanceFieldAndSetter2'.
//       0.duplicateExtensionInstanceFieldAndSetter2;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:238:5: Error: The setter 'duplicateExtensionInstanceFieldAndSetter2' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionInstanceFieldAndSetter2'.
//   0.duplicateExtensionInstanceFieldAndSetter2 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:257:5: Error: The setter 'extensionStaticFieldAndInstanceSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionStaticFieldAndInstanceSetter'.
//   0.extensionStaticFieldAndInstanceSetter =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:262:5: Error: The setter 'extensionStaticFieldAndInstanceDuplicateSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionStaticFieldAndInstanceDuplicateSetter'.
//   0.extensionStaticFieldAndInstanceDuplicateSetter =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:270:9: Error: The getter 'extensionInstanceFieldAndStaticSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'extensionInstanceFieldAndStaticSetter'.
//       0.extensionInstanceFieldAndStaticSetter;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:269:5: Error: The setter 'extensionInstanceFieldAndStaticSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionInstanceFieldAndStaticSetter'.
//   0.extensionInstanceFieldAndStaticSetter =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:275:9: Error: The getter 'extensionInstanceFieldAndStaticDuplicateSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'extensionInstanceFieldAndStaticDuplicateSetter'.
//       0.extensionInstanceFieldAndStaticDuplicateSetter;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:274:5: Error: The setter 'extensionInstanceFieldAndStaticDuplicateSetter' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionInstanceFieldAndStaticDuplicateSetter'.
//   0.extensionInstanceFieldAndStaticDuplicateSetter =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:280:9: Error: The getter 'duplicateExtensionInstanceFieldAndStaticSetter1' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateExtensionInstanceFieldAndStaticSetter1'.
//       0.duplicateExtensionInstanceFieldAndStaticSetter1;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:279:5: Error: The setter 'duplicateExtensionInstanceFieldAndStaticSetter1' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionInstanceFieldAndStaticSetter1'.
//   0.duplicateExtensionInstanceFieldAndStaticSetter1 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:285:9: Error: The getter 'duplicateExtensionInstanceFieldAndStaticSetter2' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateExtensionInstanceFieldAndStaticSetter2'.
//       0.duplicateExtensionInstanceFieldAndStaticSetter2;
//         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:284:5: Error: The setter 'duplicateExtensionInstanceFieldAndStaticSetter2' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionInstanceFieldAndStaticSetter2'.
//   0.duplicateExtensionInstanceFieldAndStaticSetter2 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:289:5: Error: The setter 'duplicateExtensionStaticFieldAndInstanceSetter1' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionStaticFieldAndInstanceSetter1'.
//   0.duplicateExtensionStaticFieldAndInstanceSetter1 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:294:5: Error: The setter 'duplicateExtensionStaticFieldAndInstanceSetter2' isn't defined for the class 'int'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionStaticFieldAndInstanceSetter2'.
//   0.duplicateExtensionStaticFieldAndInstanceSetter2 =
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:39:14: Error: Final field 'duplicateInstanceFieldAndSetter2' is not initialized.
// Try to initialize the field in the declaration or in every constructor.
//   final int? duplicateInstanceFieldAndSetter2 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:61:21: Error: Final field 'duplicateStaticFieldAndSetter2' is not initialized.
// Try to initialize the field in the declaration or in every constructor.
//   static final int? duplicateStaticFieldAndSetter2 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:90:14: Error: Final field 'duplicateInstanceFieldAndStaticSetter2' is not initialized.
// Try to initialize the field in the declaration or in every constructor.
//   final int? duplicateInstanceFieldAndStaticSetter2 = null;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/field_vs_setter.dart:98:21: Error: Final field 'duplicateStaticFieldAndInstanceSetter2' is not initialized.
// Try to initialize the field in the declaration or in every constructor.
//   static final int? duplicateStaticFieldAndInstanceSetter2 = null;
//                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
import self as self;
import "dart:core" as core;

class Class extends core::Object {
  field core::int? instanceFieldAndSetter = null;
  field core::int? instanceFieldAndDuplicateSetter = null;
  field core::int? duplicateInstanceFieldAndSetter1 = null;
  final field core::int? duplicateInstanceFieldAndSetter2 = null;
  late final [setter] field core::int? instanceLateFinalFieldAndSetter;
  late final [setter] field core::int? instanceLateFinalFieldAndDuplicateSetter;
  static field core::int? staticFieldAndSetter = null;
  static field core::int? staticFieldAndDuplicateSetter = null;
  static field core::int? duplicateStaticFieldAndSetter1 = null;
  static final field core::int? duplicateStaticFieldAndSetter2 = null;
  late static final [setter] field core::int? staticLateFinalFieldAndSetter;
  late static final [setter] field core::int? staticLateFinalFieldAndDuplicateSetter;
  static field core::int? staticFieldAndInstanceSetter = null;
  static field core::int? staticFieldAndInstanceDuplicateSetter = null;
  field core::int? instanceFieldAndStaticSetter = null;
  field core::int? instanceFieldAndStaticDuplicateSetter = null;
  field core::int? duplicateInstanceFieldAndStaticSetter1 = null;
  final field core::int? duplicateInstanceFieldAndStaticSetter2 = null;
  static field core::int? duplicateStaticFieldAndInstanceSetter1 = null;
  static final field core::int? duplicateStaticFieldAndInstanceSetter2 = null;
  synthetic constructor •() → self::Class
    : super core::Object::•()
    ;
}
extension Extension on core::int? {
  field extensionInstanceFieldAndSetter = self::Extension|extensionInstanceFieldAndSetter;
  field extensionInstanceFieldAndDuplicateSetter = self::Extension|extensionInstanceFieldAndDuplicateSetter;
  field duplicateExtensionInstanceFieldAndSetter1 = self::Extension|duplicateExtensionInstanceFieldAndSetter1;
  field duplicateExtensionInstanceFieldAndSetter2 = self::Extension|duplicateExtensionInstanceFieldAndSetter2;
  static field extensionStaticFieldAndSetter = self::Extension|extensionStaticFieldAndSetter;
  static field extensionStaticFieldAndDuplicateSetter = self::Extension|extensionStaticFieldAndDuplicateSetter;
  static field duplicateExtensionStaticFieldAndSetter1 = self::Extension|duplicateExtensionStaticFieldAndSetter1;
  static field duplicateExtensionStaticFieldAndSetter2 = self::Extension|duplicateExtensionStaticFieldAndSetter2;
  static field extensionStaticLateFinalFieldAndSetter = self::Extension|extensionStaticLateFinalFieldAndSetter;
  static field extensionStaticLateFinalFieldAndDuplicateSetter = self::Extension|extensionStaticLateFinalFieldAndDuplicateSetter;
  static field extensionStaticFieldAndInstanceSetter = self::Extension|extensionStaticFieldAndInstanceSetter;
  static field extensionStaticFieldAndInstanceDuplicateSetter = self::Extension|extensionStaticFieldAndInstanceDuplicateSetter;
  field extensionInstanceFieldAndStaticSetter = self::Extension|extensionInstanceFieldAndStaticSetter;
  field extensionInstanceFieldAndStaticDuplicateSetter = self::Extension|extensionInstanceFieldAndStaticDuplicateSetter;
  field duplicateExtensionInstanceFieldAndStaticSetter1 = self::Extension|duplicateExtensionInstanceFieldAndStaticSetter1;
  field duplicateExtensionInstanceFieldAndStaticSetter2 = self::Extension|duplicateExtensionInstanceFieldAndStaticSetter2;
  static field duplicateExtensionStaticFieldAndInstanceSetter1 = self::Extension|duplicateExtensionStaticFieldAndInstanceSetter1;
  static field duplicateExtensionStaticFieldAndInstanceSetter2 = self::Extension|duplicateExtensionStaticFieldAndInstanceSetter2;
}
static field core::int? topLevelFieldAndSetter;
static field core::int? topLevelFieldAndDuplicateSetter;
static field core::int? duplicateTopLevelFieldAndSetter1;
static final field core::int? duplicateTopLevelFieldAndSetter2;
late static final [setter] field core::int? topLevelLateFinalFieldAndSetter;
late static final [setter] field core::int? topLevelLateFinalFieldAndDuplicateSetter;
static field core::int? Extension|extensionInstanceFieldAndSetter;
static field core::int? Extension|extensionInstanceFieldAndDuplicateSetter;
static field core::int? Extension|duplicateExtensionInstanceFieldAndSetter1;
static final field core::int? Extension|duplicateExtensionInstanceFieldAndSetter2;
static field core::int? Extension|extensionStaticFieldAndSetter;
static field core::int? Extension|extensionStaticFieldAndDuplicateSetter;
static field core::int? Extension|duplicateExtensionStaticFieldAndSetter1;
static final field core::int? Extension|duplicateExtensionStaticFieldAndSetter2;
late static final [setter] field core::int? Extension|extensionStaticLateFinalFieldAndSetter;
late static final [setter] field core::int? Extension|extensionStaticLateFinalFieldAndDuplicateSetter;
static field core::int? Extension|extensionStaticFieldAndInstanceSetter;
static field core::int? Extension|extensionStaticFieldAndInstanceDuplicateSetter;
static field core::int? Extension|extensionInstanceFieldAndStaticSetter;
static field core::int? Extension|extensionInstanceFieldAndStaticDuplicateSetter;
static field core::int? Extension|duplicateExtensionInstanceFieldAndStaticSetter1;
static final field core::int? Extension|duplicateExtensionInstanceFieldAndStaticSetter2;
static field core::int? Extension|duplicateExtensionStaticFieldAndInstanceSetter1;
static final field core::int? Extension|duplicateExtensionStaticFieldAndInstanceSetter2;
static const field dynamic _exports# = #C1 /*isLegacy*/;
static method test() → dynamic {
  self::topLevelFieldAndSetter = self::topLevelFieldAndSetter;
  self::topLevelFieldAndDuplicateSetter = self::topLevelFieldAndDuplicateSetter;
  self::topLevelLateFinalFieldAndSetter = self::topLevelLateFinalFieldAndSetter;
  self::topLevelLateFinalFieldAndDuplicateSetter = self::topLevelLateFinalFieldAndDuplicateSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:178:36: Error: Can't assign to this.
  duplicateTopLevelFieldAndSetter1 = duplicateTopLevelFieldAndSetter1;
                                   ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:179:36: Error: Can't assign to this.
  duplicateTopLevelFieldAndSetter2 = duplicateTopLevelFieldAndSetter2;
                                   ^";
  self::Class c = new self::Class::•();
  c.{self::Class::instanceFieldAndSetter} = c.{self::Class::instanceFieldAndSetter}{core::int?};
  c.{self::Class::instanceFieldAndDuplicateSetter} = c.{self::Class::instanceFieldAndDuplicateSetter}{core::int?};
  c.{self::Class::instanceLateFinalFieldAndSetter} = c.{self::Class::instanceLateFinalFieldAndSetter}{core::int?};
  c.{self::Class::instanceLateFinalFieldAndDuplicateSetter} = c.{self::Class::instanceLateFinalFieldAndDuplicateSetter}{core::int?};
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:188:5: Error: The setter 'duplicateInstanceFieldAndStaticSetter1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateInstanceFieldAndStaticSetter1'.
  c.duplicateInstanceFieldAndStaticSetter1 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.duplicateInstanceFieldAndStaticSetter1 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:189:9: Error: The getter 'duplicateInstanceFieldAndStaticSetter1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateInstanceFieldAndStaticSetter1'.
      c.duplicateInstanceFieldAndStaticSetter1;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.duplicateInstanceFieldAndStaticSetter1;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:190:5: Error: The setter 'duplicateInstanceFieldAndStaticSetter2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateInstanceFieldAndStaticSetter2'.
  c.duplicateInstanceFieldAndStaticSetter2 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.duplicateInstanceFieldAndStaticSetter2 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:191:9: Error: The getter 'duplicateInstanceFieldAndStaticSetter2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateInstanceFieldAndStaticSetter2'.
      c.duplicateInstanceFieldAndStaticSetter2;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.duplicateInstanceFieldAndStaticSetter2;
  self::Class::staticFieldAndSetter = self::Class::staticFieldAndSetter;
  self::Class::staticFieldAndDuplicateSetter = self::Class::staticFieldAndDuplicateSetter;
  self::Class::staticLateFinalFieldAndSetter = self::Class::staticLateFinalFieldAndSetter;
  self::Class::staticLateFinalFieldAndDuplicateSetter = self::Class::staticLateFinalFieldAndDuplicateSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:198:40: Error: Can't assign to this.
  Class.duplicateStaticFieldAndSetter1 = Class.duplicateStaticFieldAndSetter1;
                                       ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:199:40: Error: Can't assign to this.
  Class.duplicateStaticFieldAndSetter2 = Class.duplicateStaticFieldAndSetter2;
                                       ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:201:5: Error: The setter 'staticFieldAndInstanceSetter' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'staticFieldAndInstanceSetter'.
  c.staticFieldAndInstanceSetter = Class.staticFieldAndInstanceSetter;
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.staticFieldAndInstanceSetter = self::Class::staticFieldAndInstanceSetter;
  self::Class::staticFieldAndInstanceSetter = self::Class::staticFieldAndInstanceSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:204:5: Error: The setter 'staticFieldAndInstanceDuplicateSetter' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'staticFieldAndInstanceDuplicateSetter'.
  c.staticFieldAndInstanceDuplicateSetter =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.staticFieldAndInstanceDuplicateSetter = self::Class::staticFieldAndInstanceDuplicateSetter;
  self::Class::staticFieldAndInstanceDuplicateSetter = self::Class::staticFieldAndInstanceDuplicateSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:209:9: Error: Setter not found: 'instanceFieldAndStaticSetter'.
  Class.instanceFieldAndStaticSetter = c.instanceFieldAndStaticSetter;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^";
  c.{self::Class::instanceFieldAndStaticSetter} = c.{self::Class::instanceFieldAndStaticSetter}{core::int?};
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:212:47: Error: Can't assign to this.
  Class.instanceFieldAndStaticDuplicateSetter =
                                              ^";
  c.{self::Class::instanceFieldAndStaticDuplicateSetter} = c.{self::Class::instanceFieldAndStaticDuplicateSetter}{core::int?};
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:217:5: Error: The setter 'duplicateStaticFieldAndInstanceSetter1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateStaticFieldAndInstanceSetter1'.
  c.duplicateStaticFieldAndInstanceSetter1 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.duplicateStaticFieldAndInstanceSetter1 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:218:13: Error: Can't use 'duplicateStaticFieldAndInstanceSetter1' because it is declared more than once.
      Class.duplicateStaticFieldAndInstanceSetter1;
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:219:48: Error: Can't assign to this.
  Class.duplicateStaticFieldAndInstanceSetter1 =
                                               ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:222:5: Error: The setter 'duplicateStaticFieldAndInstanceSetter2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateStaticFieldAndInstanceSetter2'.
  c.duplicateStaticFieldAndInstanceSetter2 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.duplicateStaticFieldAndInstanceSetter2 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:223:13: Error: Can't use 'duplicateStaticFieldAndInstanceSetter2' because it is declared more than once.
      Class.duplicateStaticFieldAndInstanceSetter2;
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:224:48: Error: Can't assign to this.
  Class.duplicateStaticFieldAndInstanceSetter2 =
                                               ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:227:48: Error: Can't assign to this.
  Class.duplicateInstanceFieldAndStaticSetter1 =
                                               ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:229:48: Error: Can't assign to this.
  Class.duplicateInstanceFieldAndStaticSetter2 =
                                               ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:232:5: Error: The setter 'extensionInstanceFieldAndSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionInstanceFieldAndSetter'.
  0.extensionInstanceFieldAndSetter = 0.extensionInstanceFieldAndSetter;
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionInstanceFieldAndSetter = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:232:41: Error: The getter 'extensionInstanceFieldAndSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'extensionInstanceFieldAndSetter'.
  0.extensionInstanceFieldAndSetter = 0.extensionInstanceFieldAndSetter;
                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionInstanceFieldAndSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:233:5: Error: The setter 'extensionInstanceFieldAndDuplicateSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionInstanceFieldAndDuplicateSetter'.
  0.extensionInstanceFieldAndDuplicateSetter =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionInstanceFieldAndDuplicateSetter = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:234:9: Error: The getter 'extensionInstanceFieldAndDuplicateSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'extensionInstanceFieldAndDuplicateSetter'.
      0.extensionInstanceFieldAndDuplicateSetter;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionInstanceFieldAndDuplicateSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:236:5: Error: The setter 'duplicateExtensionInstanceFieldAndSetter1' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionInstanceFieldAndSetter1'.
  0.duplicateExtensionInstanceFieldAndSetter1 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionInstanceFieldAndSetter1 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:237:9: Error: The getter 'duplicateExtensionInstanceFieldAndSetter1' isn't defined for the class 'int'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateExtensionInstanceFieldAndSetter1'.
      0.duplicateExtensionInstanceFieldAndSetter1;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionInstanceFieldAndSetter1;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:238:5: Error: The setter 'duplicateExtensionInstanceFieldAndSetter2' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionInstanceFieldAndSetter2'.
  0.duplicateExtensionInstanceFieldAndSetter2 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionInstanceFieldAndSetter2 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:239:9: Error: The getter 'duplicateExtensionInstanceFieldAndSetter2' isn't defined for the class 'int'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateExtensionInstanceFieldAndSetter2'.
      0.duplicateExtensionInstanceFieldAndSetter2;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionInstanceFieldAndSetter2;
  self::Extension|extensionStaticFieldAndSetter = self::Extension|extensionStaticFieldAndSetter;
  self::Extension|extensionStaticFieldAndDuplicateSetter = self::Extension|extensionStaticFieldAndDuplicateSetter;
  self::Extension|extensionStaticLateFinalFieldAndSetter = self::Extension|extensionStaticLateFinalFieldAndSetter;
  self::Extension|extensionStaticLateFinalFieldAndDuplicateSetter = self::Extension|extensionStaticLateFinalFieldAndDuplicateSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:252:53: Error: Can't assign to this.
  Extension.duplicateExtensionStaticFieldAndSetter1 =
                                                    ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:254:53: Error: Can't assign to this.
  Extension.duplicateExtensionStaticFieldAndSetter2 =
                                                    ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:257:5: Error: The setter 'extensionStaticFieldAndInstanceSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionStaticFieldAndInstanceSetter'.
  0.extensionStaticFieldAndInstanceSetter =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionStaticFieldAndInstanceSetter = self::Extension|extensionStaticFieldAndInstanceSetter;
  self::Extension|extensionStaticFieldAndInstanceSetter = self::Extension|extensionStaticFieldAndInstanceSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:262:5: Error: The setter 'extensionStaticFieldAndInstanceDuplicateSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionStaticFieldAndInstanceDuplicateSetter'.
  0.extensionStaticFieldAndInstanceDuplicateSetter =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionStaticFieldAndInstanceDuplicateSetter = self::Extension|extensionStaticFieldAndInstanceDuplicateSetter;
  self::Extension|extensionStaticFieldAndInstanceDuplicateSetter = self::Extension|extensionStaticFieldAndInstanceDuplicateSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:267:13: Error: Setter not found: 'extensionInstanceFieldAndStaticSetter'.
  Extension.extensionInstanceFieldAndStaticSetter =
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:269:5: Error: The setter 'extensionInstanceFieldAndStaticSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionInstanceFieldAndStaticSetter'.
  0.extensionInstanceFieldAndStaticSetter =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionInstanceFieldAndStaticSetter = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:270:9: Error: The getter 'extensionInstanceFieldAndStaticSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'extensionInstanceFieldAndStaticSetter'.
      0.extensionInstanceFieldAndStaticSetter;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionInstanceFieldAndStaticSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:272:60: Error: Can't assign to this.
  Extension.extensionInstanceFieldAndStaticDuplicateSetter =
                                                           ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:274:5: Error: The setter 'extensionInstanceFieldAndStaticDuplicateSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'extensionInstanceFieldAndStaticDuplicateSetter'.
  0.extensionInstanceFieldAndStaticDuplicateSetter =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionInstanceFieldAndStaticDuplicateSetter = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:275:9: Error: The getter 'extensionInstanceFieldAndStaticDuplicateSetter' isn't defined for the class 'int'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'extensionInstanceFieldAndStaticDuplicateSetter'.
      0.extensionInstanceFieldAndStaticDuplicateSetter;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.extensionInstanceFieldAndStaticDuplicateSetter;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:277:61: Error: Can't assign to this.
  Extension.duplicateExtensionInstanceFieldAndStaticSetter1 =
                                                            ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:279:5: Error: The setter 'duplicateExtensionInstanceFieldAndStaticSetter1' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionInstanceFieldAndStaticSetter1'.
  0.duplicateExtensionInstanceFieldAndStaticSetter1 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionInstanceFieldAndStaticSetter1 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:280:9: Error: The getter 'duplicateExtensionInstanceFieldAndStaticSetter1' isn't defined for the class 'int'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateExtensionInstanceFieldAndStaticSetter1'.
      0.duplicateExtensionInstanceFieldAndStaticSetter1;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionInstanceFieldAndStaticSetter1;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:282:61: Error: Can't assign to this.
  Extension.duplicateExtensionInstanceFieldAndStaticSetter2 =
                                                            ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:284:5: Error: The setter 'duplicateExtensionInstanceFieldAndStaticSetter2' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionInstanceFieldAndStaticSetter2'.
  0.duplicateExtensionInstanceFieldAndStaticSetter2 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionInstanceFieldAndStaticSetter2 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:285:9: Error: The getter 'duplicateExtensionInstanceFieldAndStaticSetter2' isn't defined for the class 'int'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'duplicateExtensionInstanceFieldAndStaticSetter2'.
      0.duplicateExtensionInstanceFieldAndStaticSetter2;
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionInstanceFieldAndStaticSetter2;
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:287:61: Error: Can't assign to this.
  Extension.duplicateExtensionStaticFieldAndInstanceSetter1 =
                                                            ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:289:5: Error: The setter 'duplicateExtensionStaticFieldAndInstanceSetter1' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionStaticFieldAndInstanceSetter1'.
  0.duplicateExtensionStaticFieldAndInstanceSetter1 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionStaticFieldAndInstanceSetter1 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:290:17: Error: Can't use 'duplicateExtensionStaticFieldAndInstanceSetter1' because it is declared more than once.
      Extension.duplicateExtensionStaticFieldAndInstanceSetter1;
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:292:61: Error: Can't assign to this.
  Extension.duplicateExtensionStaticFieldAndInstanceSetter2 =
                                                            ^";
  invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:294:5: Error: The setter 'duplicateExtensionStaticFieldAndInstanceSetter2' isn't defined for the class 'int'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'duplicateExtensionStaticFieldAndInstanceSetter2'.
  0.duplicateExtensionStaticFieldAndInstanceSetter2 =
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in 0{<unresolved>}.duplicateExtensionStaticFieldAndInstanceSetter2 = invalid-expression "pkg/front_end/testcases/nnbd/field_vs_setter.dart:295:17: Error: Can't use 'duplicateExtensionStaticFieldAndInstanceSetter2' because it is declared more than once.
      Extension.duplicateExtensionStaticFieldAndInstanceSetter2;
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^";
}
static method main() → dynamic {}

constants  {
  #C1 = "{\"topLevelFieldAndDuplicateSetter\":\"'topLevelFieldAndDuplicateSetter' is exported from both 'pkg/front_end/testcases/nnbd/field_vs_setter.dart' and 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.\",\"topLevelLateFinalFieldAndDuplicateSetter\":\"'topLevelLateFinalFieldAndDuplicateSetter' is exported from both 'pkg/front_end/testcases/nnbd/field_vs_setter.dart' and 'pkg/front_end/testcases/nnbd/field_vs_setter.dart'.\"}"
}