What is the C# equivalent of friend?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/203616/why-does-c-sharp-not-provide-the-c-style-friend-keyword">Why does C# not provide the C++ style ‘friend’ keyword?</a>  </p>
</blockquote>



<p>I'd like the private member variables of a class to be accessible to a Tester class without exposing them to other classes. </p>

<p>In C++ I'd just declare the Tester class as a friend, how do I do this in C#? Can someone give me an example?</p>
