library /*isNonNullableByDefault*/;
//
// Problems in library:
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:7:8: Error: 'methodAndField1' is already declared in this scope.
//   int? methodAndField1;
//        ^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:6:8: Context: Previous declaration of 'methodAndField1'.
//   int? methodAndField1() {}
//        ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:10:8: Error: 'methodAndField2' is already declared in this scope.
//   int? methodAndField2() {}
//        ^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:9:8: Context: Previous declaration of 'methodAndField2'.
//   int? methodAndField2;
//        ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:13:14: Error: 'methodAndFinalField1' is already declared in this scope.
//   final int? methodAndFinalField1 = 0;
//              ^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:12:8: Context: Previous declaration of 'methodAndFinalField1'.
//   int? methodAndFinalField1() {}
//        ^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:16:8: Error: 'methodAndFinalField2' is already declared in this scope.
//   int? methodAndFinalField2() {}
//        ^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:15:14: Context: Previous declaration of 'methodAndFinalField2'.
//   final int? methodAndFinalField2 = 0;
//              ^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:19:8: Error: 'methodAndFieldAndSetter1' is already declared in this scope.
//   int? methodAndFieldAndSetter1;
//        ^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:18:8: Context: Previous declaration of 'methodAndFieldAndSetter1'.
//   int? methodAndFieldAndSetter1() {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:23:8: Error: 'methodAndFieldAndSetter2' is already declared in this scope.
//   int? methodAndFieldAndSetter2() {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:22:8: Context: Previous declaration of 'methodAndFieldAndSetter2'.
//   int? methodAndFieldAndSetter2;
//        ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:28:8: Error: 'methodAndFieldAndSetter3' is already declared in this scope.
//   int? methodAndFieldAndSetter3;
//        ^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:27:8: Context: Previous declaration of 'methodAndFieldAndSetter3'.
//   int? methodAndFieldAndSetter3() {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:32:8: Error: 'methodAndFieldAndSetter4' is already declared in this scope.
//   int? methodAndFieldAndSetter4() {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:31:8: Context: Previous declaration of 'methodAndFieldAndSetter4'.
//   int? methodAndFieldAndSetter4;
//        ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:35:14: Error: 'methodAndFinalFieldAndSetter1' is already declared in this scope.
//   final int? methodAndFinalFieldAndSetter1 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:34:8: Context: Previous declaration of 'methodAndFinalFieldAndSetter1'.
//   int? methodAndFinalFieldAndSetter1() {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:39:8: Error: 'methodAndFinalFieldAndSetter2' is already declared in this scope.
//   int? methodAndFinalFieldAndSetter2() {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:38:14: Context: Previous declaration of 'methodAndFinalFieldAndSetter2'.
//   final int? methodAndFinalFieldAndSetter2 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:44:14: Error: 'methodAndFinalFieldAndSetter3' is already declared in this scope.
//   final int? methodAndFinalFieldAndSetter3 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:43:8: Context: Previous declaration of 'methodAndFinalFieldAndSetter3'.
//   int? methodAndFinalFieldAndSetter3() {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:48:8: Error: 'methodAndFinalFieldAndSetter4' is already declared in this scope.
//   int? methodAndFinalFieldAndSetter4() {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:47:14: Context: Previous declaration of 'methodAndFinalFieldAndSetter4'.
//   final int? methodAndFinalFieldAndSetter4 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:54:3: Error: The return type of the setter must be 'void' or absent.
// Try removing the return type, or define a method rather than a setter.
//   int? set methodAndSetter2() {}
//   ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:63:14: Error: 'fieldAndFinalFieldAndSetter1' is already declared in this scope.
//   final int? fieldAndFinalFieldAndSetter1 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:62:8: Context: Previous declaration of 'fieldAndFinalFieldAndSetter1'.
//   int? fieldAndFinalFieldAndSetter1;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:67:8: Error: 'fieldAndFinalFieldAndSetter2' is already declared in this scope.
//   int? fieldAndFinalFieldAndSetter2;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:66:14: Context: Previous declaration of 'fieldAndFinalFieldAndSetter2'.
//   final int? fieldAndFinalFieldAndSetter2 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:72:14: Error: 'fieldAndFinalFieldAndSetter3' is already declared in this scope.
//   final int? fieldAndFinalFieldAndSetter3 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:71:8: Context: Previous declaration of 'fieldAndFinalFieldAndSetter3'.
//   int? fieldAndFinalFieldAndSetter3;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:76:8: Error: 'fieldAndFinalFieldAndSetter4' is already declared in this scope.
//   int? fieldAndFinalFieldAndSetter4;
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:75:14: Context: Previous declaration of 'fieldAndFinalFieldAndSetter4'.
//   final int? fieldAndFinalFieldAndSetter4 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:20:12: Error: Conflicts with the implicit setter of the field 'methodAndFieldAndSetter1'.
//   void set methodAndFieldAndSetter1(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:19:8: Error: Conflicts with setter 'methodAndFieldAndSetter1'.
//   int? methodAndFieldAndSetter1;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:24:12: Error: Conflicts with the implicit setter of the field 'methodAndFieldAndSetter2'.
//   void set methodAndFieldAndSetter2(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:22:8: Error: Conflicts with setter 'methodAndFieldAndSetter2'.
//   int? methodAndFieldAndSetter2;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:26:12: Error: Conflicts with the implicit setter of the field 'methodAndFieldAndSetter3'.
//   void set methodAndFieldAndSetter3(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:28:8: Error: Conflicts with setter 'methodAndFieldAndSetter3'.
//   int? methodAndFieldAndSetter3;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:30:12: Error: Conflicts with the implicit setter of the field 'methodAndFieldAndSetter4'.
//   void set methodAndFieldAndSetter4(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:31:8: Error: Conflicts with setter 'methodAndFieldAndSetter4'.
//   int? methodAndFieldAndSetter4;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:57:12: Error: Conflicts with the implicit setter of the field 'fieldAndSetter1'.
//   void set fieldAndSetter1(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:56:8: Error: Conflicts with setter 'fieldAndSetter1'.
//   int? fieldAndSetter1;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:60:12: Error: Conflicts with the implicit setter of the field 'fieldAndSetter2'.
//   void set fieldAndSetter2(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:59:8: Error: Conflicts with setter 'fieldAndSetter2'.
//   int? fieldAndSetter2;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:64:12: Error: Conflicts with the implicit setter of the field 'fieldAndFinalFieldAndSetter1'.
//   void set fieldAndFinalFieldAndSetter1(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:62:8: Error: Conflicts with setter 'fieldAndFinalFieldAndSetter1'.
//   int? fieldAndFinalFieldAndSetter1;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:68:12: Error: Conflicts with the implicit setter of the field 'fieldAndFinalFieldAndSetter2'.
//   void set fieldAndFinalFieldAndSetter2(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:67:8: Error: Conflicts with setter 'fieldAndFinalFieldAndSetter2'.
//   int? fieldAndFinalFieldAndSetter2;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:70:12: Error: Conflicts with the implicit setter of the field 'fieldAndFinalFieldAndSetter3'.
//   void set fieldAndFinalFieldAndSetter3(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:71:8: Error: Conflicts with setter 'fieldAndFinalFieldAndSetter3'.
//   int? fieldAndFinalFieldAndSetter3;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:74:12: Error: Conflicts with the implicit setter of the field 'fieldAndFinalFieldAndSetter4'.
//   void set fieldAndFinalFieldAndSetter4(int? value) {}
//            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:76:8: Error: Conflicts with setter 'fieldAndFinalFieldAndSetter4'.
//   int? fieldAndFinalFieldAndSetter4;
//        ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:40:12: Error: 'methodAndFinalFieldAndSetter2' is already declared in this scope.
//   void set methodAndFinalFieldAndSetter2(int? value) {}
//            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:39:8: Context: Previous declaration of 'methodAndFinalFieldAndSetter2'.
//   int? methodAndFinalFieldAndSetter2() {}
//        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:51:12: Error: 'methodAndSetter1' is already declared in this scope.
//   void set methodAndSetter1(int? value) {}
//            ^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:50:8: Context: Previous declaration of 'methodAndSetter1'.
//   int? methodAndSetter1() {}
//        ^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:54:12: Error: 'methodAndSetter2' is already declared in this scope.
//   int? set methodAndSetter2() {}
//            ^^^^^^^^^^^^^^^^
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:53:8: Context: Previous declaration of 'methodAndSetter2'.
//   void methodAndSetter2(int? value) {}
//        ^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:54:28: Error: A setter should have exactly one formal parameter.
//   int? set methodAndSetter2() {}
//                            ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:80:5: Error: Can't use 'methodAndField1' because it is declared more than once.
//   c.methodAndField1 = c.methodAndField1;
//     ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:80:25: Error: Can't use 'methodAndField1' because it is declared more than once.
//   c.methodAndField1 = c.methodAndField1;
//                         ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:80:25: Error: The getter 'methodAndField1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndField1'.
//   c.methodAndField1 = c.methodAndField1;
//                         ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:80:5: Error: The setter 'methodAndField1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndField1'.
//   c.methodAndField1 = c.methodAndField1;
//     ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:81:5: Error: Can't use 'methodAndField2' because it is declared more than once.
//   c.methodAndField2 = c.methodAndField2;
//     ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:81:25: Error: Can't use 'methodAndField2' because it is declared more than once.
//   c.methodAndField2 = c.methodAndField2;
//                         ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:81:25: Error: The getter 'methodAndField2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndField2'.
//   c.methodAndField2 = c.methodAndField2;
//                         ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:81:5: Error: The setter 'methodAndField2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndField2'.
//   c.methodAndField2 = c.methodAndField2;
//     ^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:82:5: Error: Can't use 'methodAndFinalField1' because it is declared more than once.
//   c.methodAndFinalField1;
//     ^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:82:5: Error: The getter 'methodAndFinalField1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalField1'.
//   c.methodAndFinalField1;
//     ^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:83:5: Error: Can't use 'methodAndFinalField2' because it is declared more than once.
//   c.methodAndFinalField2;
//     ^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:83:5: Error: The getter 'methodAndFinalField2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalField2'.
//   c.methodAndFinalField2;
//     ^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:84:5: Error: Can't use 'methodAndFieldAndSetter1' because it is declared more than once.
//   c.methodAndFieldAndSetter1 = c.methodAndFieldAndSetter1;
//     ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:84:34: Error: Can't use 'methodAndFieldAndSetter1' because it is declared more than once.
//   c.methodAndFieldAndSetter1 = c.methodAndFieldAndSetter1;
//                                  ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:84:34: Error: The getter 'methodAndFieldAndSetter1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFieldAndSetter1'.
//   c.methodAndFieldAndSetter1 = c.methodAndFieldAndSetter1;
//                                  ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:84:5: Error: The setter 'methodAndFieldAndSetter1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndFieldAndSetter1'.
//   c.methodAndFieldAndSetter1 = c.methodAndFieldAndSetter1;
//     ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:85:5: Error: Can't use 'methodAndFieldAndSetter2' because it is declared more than once.
//   c.methodAndFieldAndSetter2 = c.methodAndFieldAndSetter2;
//     ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:85:34: Error: Can't use 'methodAndFieldAndSetter2' because it is declared more than once.
//   c.methodAndFieldAndSetter2 = c.methodAndFieldAndSetter2;
//                                  ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:85:34: Error: The getter 'methodAndFieldAndSetter2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFieldAndSetter2'.
//   c.methodAndFieldAndSetter2 = c.methodAndFieldAndSetter2;
//                                  ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:85:5: Error: The setter 'methodAndFieldAndSetter2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndFieldAndSetter2'.
//   c.methodAndFieldAndSetter2 = c.methodAndFieldAndSetter2;
//     ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:86:5: Error: Can't use 'methodAndFieldAndSetter3' because it is declared more than once.
//   c.methodAndFieldAndSetter3 = c.methodAndFieldAndSetter3;
//     ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:86:34: Error: Can't use 'methodAndFieldAndSetter3' because it is declared more than once.
//   c.methodAndFieldAndSetter3 = c.methodAndFieldAndSetter3;
//                                  ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:86:34: Error: The getter 'methodAndFieldAndSetter3' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFieldAndSetter3'.
//   c.methodAndFieldAndSetter3 = c.methodAndFieldAndSetter3;
//                                  ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:86:5: Error: The setter 'methodAndFieldAndSetter3' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndFieldAndSetter3'.
//   c.methodAndFieldAndSetter3 = c.methodAndFieldAndSetter3;
//     ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:87:5: Error: Can't use 'methodAndFieldAndSetter4' because it is declared more than once.
//   c.methodAndFieldAndSetter4 = c.methodAndFieldAndSetter4;
//     ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:87:34: Error: Can't use 'methodAndFieldAndSetter4' because it is declared more than once.
//   c.methodAndFieldAndSetter4 = c.methodAndFieldAndSetter4;
//                                  ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:87:34: Error: The getter 'methodAndFieldAndSetter4' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFieldAndSetter4'.
//   c.methodAndFieldAndSetter4 = c.methodAndFieldAndSetter4;
//                                  ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:87:5: Error: The setter 'methodAndFieldAndSetter4' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndFieldAndSetter4'.
//   c.methodAndFieldAndSetter4 = c.methodAndFieldAndSetter4;
//     ^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:88:39: Error: Can't use 'methodAndFinalFieldAndSetter1' because it is declared more than once.
//   c.methodAndFinalFieldAndSetter1 = c.methodAndFinalFieldAndSetter1;
//                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:88:39: Error: The getter 'methodAndFinalFieldAndSetter1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalFieldAndSetter1'.
//   c.methodAndFinalFieldAndSetter1 = c.methodAndFinalFieldAndSetter1;
//                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:89:39: Error: Can't use 'methodAndFinalFieldAndSetter2' because it is declared more than once.
//   c.methodAndFinalFieldAndSetter2 = c.methodAndFinalFieldAndSetter2;
//                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:89:39: Error: The getter 'methodAndFinalFieldAndSetter2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalFieldAndSetter2'.
//   c.methodAndFinalFieldAndSetter2 = c.methodAndFinalFieldAndSetter2;
//                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:90:39: Error: Can't use 'methodAndFinalFieldAndSetter3' because it is declared more than once.
//   c.methodAndFinalFieldAndSetter3 = c.methodAndFinalFieldAndSetter3;
//                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:90:39: Error: The getter 'methodAndFinalFieldAndSetter3' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalFieldAndSetter3'.
//   c.methodAndFinalFieldAndSetter3 = c.methodAndFinalFieldAndSetter3;
//                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:91:39: Error: Can't use 'methodAndFinalFieldAndSetter4' because it is declared more than once.
//   c.methodAndFinalFieldAndSetter4 = c.methodAndFinalFieldAndSetter4;
//                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:91:39: Error: The getter 'methodAndFinalFieldAndSetter4' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalFieldAndSetter4'.
//   c.methodAndFinalFieldAndSetter4 = c.methodAndFinalFieldAndSetter4;
//                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:92:26: Error: A value of type 'int? Function()' can't be assigned to a variable of type 'int?'.
//   c.methodAndSetter1 = c.methodAndSetter1;
//                          ^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:96:5: Error: Can't use 'fieldAndFinalFieldAndSetter1' because it is declared more than once.
//   c.fieldAndFinalFieldAndSetter1 = c.fieldAndFinalFieldAndSetter1;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:96:38: Error: Can't use 'fieldAndFinalFieldAndSetter1' because it is declared more than once.
//   c.fieldAndFinalFieldAndSetter1 = c.fieldAndFinalFieldAndSetter1;
//                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:96:38: Error: The getter 'fieldAndFinalFieldAndSetter1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'fieldAndFinalFieldAndSetter1'.
//   c.fieldAndFinalFieldAndSetter1 = c.fieldAndFinalFieldAndSetter1;
//                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:96:5: Error: The setter 'fieldAndFinalFieldAndSetter1' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'fieldAndFinalFieldAndSetter1'.
//   c.fieldAndFinalFieldAndSetter1 = c.fieldAndFinalFieldAndSetter1;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:97:5: Error: Can't use 'fieldAndFinalFieldAndSetter2' because it is declared more than once.
//   c.fieldAndFinalFieldAndSetter2 = c.fieldAndFinalFieldAndSetter2;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:97:38: Error: Can't use 'fieldAndFinalFieldAndSetter2' because it is declared more than once.
//   c.fieldAndFinalFieldAndSetter2 = c.fieldAndFinalFieldAndSetter2;
//                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:97:38: Error: The getter 'fieldAndFinalFieldAndSetter2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'fieldAndFinalFieldAndSetter2'.
//   c.fieldAndFinalFieldAndSetter2 = c.fieldAndFinalFieldAndSetter2;
//                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:97:5: Error: The setter 'fieldAndFinalFieldAndSetter2' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'fieldAndFinalFieldAndSetter2'.
//   c.fieldAndFinalFieldAndSetter2 = c.fieldAndFinalFieldAndSetter2;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:98:5: Error: Can't use 'fieldAndFinalFieldAndSetter3' because it is declared more than once.
//   c.fieldAndFinalFieldAndSetter3 = c.fieldAndFinalFieldAndSetter3;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:98:38: Error: Can't use 'fieldAndFinalFieldAndSetter3' because it is declared more than once.
//   c.fieldAndFinalFieldAndSetter3 = c.fieldAndFinalFieldAndSetter3;
//                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:98:38: Error: The getter 'fieldAndFinalFieldAndSetter3' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'fieldAndFinalFieldAndSetter3'.
//   c.fieldAndFinalFieldAndSetter3 = c.fieldAndFinalFieldAndSetter3;
//                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:98:5: Error: The setter 'fieldAndFinalFieldAndSetter3' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'fieldAndFinalFieldAndSetter3'.
//   c.fieldAndFinalFieldAndSetter3 = c.fieldAndFinalFieldAndSetter3;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:99:5: Error: Can't use 'fieldAndFinalFieldAndSetter4' because it is declared more than once.
//   c.fieldAndFinalFieldAndSetter4 = c.fieldAndFinalFieldAndSetter4;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:99:38: Error: Can't use 'fieldAndFinalFieldAndSetter4' because it is declared more than once.
//   c.fieldAndFinalFieldAndSetter4 = c.fieldAndFinalFieldAndSetter4;
//                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:99:38: Error: The getter 'fieldAndFinalFieldAndSetter4' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing getter, or defining a getter or field named 'fieldAndFinalFieldAndSetter4'.
//   c.fieldAndFinalFieldAndSetter4 = c.fieldAndFinalFieldAndSetter4;
//                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:99:5: Error: The setter 'fieldAndFinalFieldAndSetter4' isn't defined for the class 'Class'.
//  - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
// Try correcting the name to the name of an existing setter, or defining a setter or field named 'fieldAndFinalFieldAndSetter4'.
//   c.fieldAndFinalFieldAndSetter4 = c.fieldAndFinalFieldAndSetter4;
//     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:66:14: Error: Final field 'fieldAndFinalFieldAndSetter2' is not initialized.
// Try to initialize the field in the declaration or in every constructor.
//   final int? fieldAndFinalFieldAndSetter2 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
// pkg/front_end/testcases/nnbd/instance_duplicates.dart:75:14: Error: Final field 'fieldAndFinalFieldAndSetter4' is not initialized.
// Try to initialize the field in the declaration or in every constructor.
//   final int? fieldAndFinalFieldAndSetter4 = 0;
//              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//
import self as self;
import "dart:core" as core;

class Class extends core::Object {
  field core::int? methodAndField2 = null;
  final field core::int? methodAndFinalField2 = null;
  field core::int? methodAndFieldAndSetter2 = null;
  field core::int? methodAndFieldAndSetter4 = null;
  final field core::int? methodAndFinalFieldAndSetter2 = null;
  final field core::int? methodAndFinalFieldAndSetter4 = null;
  field core::int? fieldAndSetter1 = null;
  field core::int? fieldAndSetter2 = null;
  field core::int? fieldAndFinalFieldAndSetter1 = null;
  final field core::int? fieldAndFinalFieldAndSetter2 = null;
  field core::int? fieldAndFinalFieldAndSetter3 = null;
  final field core::int? fieldAndFinalFieldAndSetter4 = null;
  synthetic constructor •() → self::Class
    : super core::Object::•()
    ;
  method methodAndField1() → core::int? {}
  method methodAndFinalField1() → core::int? {}
  method methodAndFieldAndSetter1() → core::int? {}
  method methodAndFieldAndSetter3() → core::int? {}
  method methodAndFinalFieldAndSetter1() → core::int? {}
  set methodAndFinalFieldAndSetter1(core::int? value) → void {}
  set methodAndFinalFieldAndSetter2(core::int? value) → void {}
  set methodAndFinalFieldAndSetter3(core::int? value) → void {}
  method methodAndFinalFieldAndSetter3() → core::int? {}
  set methodAndFinalFieldAndSetter4(core::int? value) → void {}
  method methodAndSetter1() → core::int? {}
  set methodAndSetter1(core::int? value) → void {}
  method methodAndSetter2(core::int? value) → void {}
  set methodAndSetter2(dynamic #synthetic) → void {
    invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:54:28: Error: A setter should have exactly one formal parameter.
  int? set methodAndSetter2() {}
                           ^";
    {}
  }
}
static method test(self::Class c) → dynamic {
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:80:5: Error: The setter 'methodAndField1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndField1'.
  c.methodAndField1 = c.methodAndField1;
    ^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndField1 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:80:25: Error: The getter 'methodAndField1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndField1'.
  c.methodAndField1 = c.methodAndField1;
                        ^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndField1;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:81:5: Error: The setter 'methodAndField2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndField2'.
  c.methodAndField2 = c.methodAndField2;
    ^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndField2 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:81:25: Error: The getter 'methodAndField2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndField2'.
  c.methodAndField2 = c.methodAndField2;
                        ^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndField2;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:82:5: Error: The getter 'methodAndFinalField1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalField1'.
  c.methodAndFinalField1;
    ^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFinalField1;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:83:5: Error: The getter 'methodAndFinalField2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalField2'.
  c.methodAndFinalField2;
    ^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFinalField2;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:84:5: Error: The setter 'methodAndFieldAndSetter1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndFieldAndSetter1'.
  c.methodAndFieldAndSetter1 = c.methodAndFieldAndSetter1;
    ^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFieldAndSetter1 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:84:34: Error: The getter 'methodAndFieldAndSetter1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFieldAndSetter1'.
  c.methodAndFieldAndSetter1 = c.methodAndFieldAndSetter1;
                                 ^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFieldAndSetter1;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:85:5: Error: The setter 'methodAndFieldAndSetter2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndFieldAndSetter2'.
  c.methodAndFieldAndSetter2 = c.methodAndFieldAndSetter2;
    ^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFieldAndSetter2 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:85:34: Error: The getter 'methodAndFieldAndSetter2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFieldAndSetter2'.
  c.methodAndFieldAndSetter2 = c.methodAndFieldAndSetter2;
                                 ^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFieldAndSetter2;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:86:5: Error: The setter 'methodAndFieldAndSetter3' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndFieldAndSetter3'.
  c.methodAndFieldAndSetter3 = c.methodAndFieldAndSetter3;
    ^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFieldAndSetter3 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:86:34: Error: The getter 'methodAndFieldAndSetter3' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFieldAndSetter3'.
  c.methodAndFieldAndSetter3 = c.methodAndFieldAndSetter3;
                                 ^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFieldAndSetter3;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:87:5: Error: The setter 'methodAndFieldAndSetter4' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'methodAndFieldAndSetter4'.
  c.methodAndFieldAndSetter4 = c.methodAndFieldAndSetter4;
    ^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFieldAndSetter4 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:87:34: Error: The getter 'methodAndFieldAndSetter4' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFieldAndSetter4'.
  c.methodAndFieldAndSetter4 = c.methodAndFieldAndSetter4;
                                 ^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFieldAndSetter4;
  c.{self::Class::methodAndFinalFieldAndSetter1} = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:88:39: Error: The getter 'methodAndFinalFieldAndSetter1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalFieldAndSetter1'.
  c.methodAndFinalFieldAndSetter1 = c.methodAndFinalFieldAndSetter1;
                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFinalFieldAndSetter1 as{TypeError,ForDynamic,ForNonNullableByDefault} core::int?;
  c.{self::Class::methodAndFinalFieldAndSetter2} = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:89:39: Error: The getter 'methodAndFinalFieldAndSetter2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalFieldAndSetter2'.
  c.methodAndFinalFieldAndSetter2 = c.methodAndFinalFieldAndSetter2;
                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFinalFieldAndSetter2 as{TypeError,ForDynamic,ForNonNullableByDefault} core::int?;
  c.{self::Class::methodAndFinalFieldAndSetter3} = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:90:39: Error: The getter 'methodAndFinalFieldAndSetter3' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalFieldAndSetter3'.
  c.methodAndFinalFieldAndSetter3 = c.methodAndFinalFieldAndSetter3;
                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFinalFieldAndSetter3 as{TypeError,ForDynamic,ForNonNullableByDefault} core::int?;
  c.{self::Class::methodAndFinalFieldAndSetter4} = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:91:39: Error: The getter 'methodAndFinalFieldAndSetter4' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'methodAndFinalFieldAndSetter4'.
  c.methodAndFinalFieldAndSetter4 = c.methodAndFinalFieldAndSetter4;
                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.methodAndFinalFieldAndSetter4 as{TypeError,ForDynamic,ForNonNullableByDefault} core::int?;
  c.{self::Class::methodAndSetter1} = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:92:26: Error: A value of type 'int? Function()' can't be assigned to a variable of type 'int?'.
  c.methodAndSetter1 = c.methodAndSetter1;
                         ^" in c.{self::Class::methodAndSetter1}{() → core::int?} as{TypeError,ForNonNullableByDefault} core::int?;
  c.{self::Class::methodAndSetter2} = c.{self::Class::methodAndSetter2}{(core::int?) → void};
  c.{self::Class::fieldAndSetter1} = c.{self::Class::fieldAndSetter1}{core::int?};
  c.{self::Class::fieldAndSetter2} = c.{self::Class::fieldAndSetter2}{core::int?};
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:96:5: Error: The setter 'fieldAndFinalFieldAndSetter1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'fieldAndFinalFieldAndSetter1'.
  c.fieldAndFinalFieldAndSetter1 = c.fieldAndFinalFieldAndSetter1;
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.fieldAndFinalFieldAndSetter1 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:96:38: Error: The getter 'fieldAndFinalFieldAndSetter1' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'fieldAndFinalFieldAndSetter1'.
  c.fieldAndFinalFieldAndSetter1 = c.fieldAndFinalFieldAndSetter1;
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.fieldAndFinalFieldAndSetter1;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:97:5: Error: The setter 'fieldAndFinalFieldAndSetter2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'fieldAndFinalFieldAndSetter2'.
  c.fieldAndFinalFieldAndSetter2 = c.fieldAndFinalFieldAndSetter2;
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.fieldAndFinalFieldAndSetter2 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:97:38: Error: The getter 'fieldAndFinalFieldAndSetter2' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'fieldAndFinalFieldAndSetter2'.
  c.fieldAndFinalFieldAndSetter2 = c.fieldAndFinalFieldAndSetter2;
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.fieldAndFinalFieldAndSetter2;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:98:5: Error: The setter 'fieldAndFinalFieldAndSetter3' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'fieldAndFinalFieldAndSetter3'.
  c.fieldAndFinalFieldAndSetter3 = c.fieldAndFinalFieldAndSetter3;
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.fieldAndFinalFieldAndSetter3 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:98:38: Error: The getter 'fieldAndFinalFieldAndSetter3' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'fieldAndFinalFieldAndSetter3'.
  c.fieldAndFinalFieldAndSetter3 = c.fieldAndFinalFieldAndSetter3;
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.fieldAndFinalFieldAndSetter3;
  invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:99:5: Error: The setter 'fieldAndFinalFieldAndSetter4' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing setter, or defining a setter or field named 'fieldAndFinalFieldAndSetter4'.
  c.fieldAndFinalFieldAndSetter4 = c.fieldAndFinalFieldAndSetter4;
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.fieldAndFinalFieldAndSetter4 = invalid-expression "pkg/front_end/testcases/nnbd/instance_duplicates.dart:99:38: Error: The getter 'fieldAndFinalFieldAndSetter4' isn't defined for the class 'Class'.
 - 'Class' is from 'pkg/front_end/testcases/nnbd/instance_duplicates.dart'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'fieldAndFinalFieldAndSetter4'.
  c.fieldAndFinalFieldAndSetter4 = c.fieldAndFinalFieldAndSetter4;
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^" in c{<unresolved>}.fieldAndFinalFieldAndSetter4;
}
static method main() → dynamic {}