message <span class="message">ThreadMode</span>
{
  required <span class="number">uint32</span> runtimeID = 1; 
  required <span class="number">uint32</span> threadID  = 2; 
  <span class="comment">/** 
   * One of:
   * - `"run"`
   * - `"step-into-call"`
   * - `"step-next-line"`
   * - `"step-out-of-call"`
   */</span>
  required <span class="string">string</span> mode      = 3; 
}
