Inheritance: IErrorReporter
        private void Prepare(string source, IRuntimeLibrary runtimeLibrary = null, bool expectErrors = false, bool MinimizeNames = false)
        {
            IProjectContent project = new CSharpProjectContent();
            var parser = new CSharpParser();

            using (var rdr = new StringReader(source)) {
                var pf = new CSharpUnresolvedFile() { FileName = "File.cs" };
                var syntaxTree = parser.Parse(rdr, pf.FileName);
                syntaxTree.AcceptVisitor(new TypeSystemConvertVisitor(pf));
                project = project.AddOrUpdateFiles(pf);
            }
            project = project.AddAssemblyReferences(new[] { Files.Mscorlib, Files.Web, Files.Knockout });

            _compilation = project.CreateCompilation();

            var options = new CompilerOptions { MinimizeScript = MinimizeNames };
            _errorReporter = new MockErrorReporter(!expectErrors);
            var s = new AttributeStore(_compilation, _errorReporter);
            s.RunAttributeCode();
            _metadata = new MetadataImporter(_errorReporter, _compilation, s, options);

            _metadata.Prepare(_compilation.GetAllTypeDefinitions());

            _allErrors = _errorReporter.AllMessages.ToList().AsReadOnly();
            if (expectErrors) {
                Assert.That(_allErrors, Is.Not.Empty, "Compile should have generated errors");
            }
            else {
                Assert.That(_allErrors, Is.Empty, "Compile should not generate errors");
            }

            var rtl = new RuntimeLibrary(_metadata, _errorReporter, _compilation, new Namer(), s);
        }