class Class1 {}

class Class2 {}

errors() {}

extension DuplicateExtensionName on Class1 {
  duplicateMethodName2() => 1;
  uniqueMethod1() {}
}

extension DuplicateExtensionName on Class2 {
  duplicateMethodName2() => 2;
  uniqueMethod2() {}
}

extension UniqueExtensionName on Class1 {
  duplicateMethodName1() => 1;
  duplicateMethodName1() => 2;
}

main() {}