private MemberDeclarationSyntax TypedMockProviderField()
 {
     return(F.FieldDeclaration(F.VariableDeclaration(TypesForSymbols.TypedMockProvider()).WithVariables(
                                   F.SingletonSeparatedList(F.VariableDeclarator(F.Identifier(MockProviderName))
                                                            .WithInitializer(F.EqualsValueClause(F.ObjectCreationExpression(TypesForSymbols.TypedMockProvider())
                                                                                                 .WithArgumentList(F.ArgumentList())))))
                               ).WithModifiers(F.TokenList(F.Token(SyntaxKind.PrivateKeyword), F.Token(SyntaxKind.ReadOnlyKeyword))));
 }