title: HttpUrl newBuilder(String) usage
body: <p>To create new HttpUrl.Builder instance from existing URL I use <a href="https://square.github.io/okhttp/4.x/okhttp/okhttp3/-http-url/new-builder/" rel="noreferrer">HttpUrl.newBuilder(String)</a>:</p>
  
  <pre><code>new HttpUrl().build().newBuilder(savedUrl)
  </code></pre>
  
  <p>where savedUrl is a String containing well-formed URL.</p>
  
  <p>The above fragment crashes in HttpUrl constructor because of scheme is undefined. As a workaround I use existing HttpUrl instance - less than ideal.</p>
  
  <p>The questions are: </p>
  
  <ol>
  <li>is newBuilder(String) the right tool for the job?</li>
  <li>how newBuilder(String) should be used properly?</li>
  </ol>