title: * vs ** vs *** in Proguard?
body: <p>What is the difference between the <code>*</code>, <code>**</code> and <code>***</code> wildcards in Proguard? For example:</p>
  
  <pre><code>-keep class com.mypackage.*
  </code></pre>
  
  <p>vs</p>
  
  <pre><code>-keep class com.mypackage.**
  </code></pre>
  
  <p>vs</p>
  
  <pre><code>-keep class com.mypackage.***
  </code></pre>