namespace Microsoft.CodeAnalysis.Testing
{
    public class CodeRefactoringVerifier<TCodeRefactoring, TTest, TVerifier> : Object
        where TCodeRefactoring, new(), ?!
        where TTest, new(), CodeRefactoringTest<TVerifier>!
        where TVerifier, new(), IVerifier!
    {
        public static Task! VerifyRefactoringAsync(?! source, DiagnosticResult![]! expected, ?! fixedSource);
    }
}