title: How to get key for value from Hashmap in Kotlin?
body: <p>I have <code>HashMap</code> in Kotlin</p>
  
  <pre><code>val map = HashMap&lt;String, String&gt;()
  </code></pre>
  
  <p>I want to know how to get key for a particular value from this <code>HashMap</code> without iterating through complete <code>HashMap</code>?</p>