library;
//
// Problems in library:
//
// pkg/front_end/testcases/regress/issue_31183.dart:6:12: Error: Unexpected token 'unary'.
//   operator unary- => 0;
//            ^^^^^
//
// pkg/front_end/testcases/regress/issue_31183.dart:6:17: Error: A method declaration needs an explicit list of parameters.
// Try adding a parameter list to the method declaration.
//   operator unary- => 0;
//                 ^
//
import self as self;
import "dart:core" as core;

class C extends core::Object {
  synthetic constructor •() → self::C*
    : super core::Object::•()
    ;
  operator unary-() → dynamic
    return 0;
  abstract member-signature get /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ toString() → core::String*; -> core::Object::toString
  abstract member-signature method /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get /* from org-dartlang-sdk:///sdk/lib/_internal/vm/lib/object_patch.dart */ runtimeType() → core::Type*; -> core::Object::runtimeType
}
static method main() → dynamic {
  new self::C::•();
}