EventSource</span><span class="Punctuation">[</span><span class="Identifier">string</span><span class="Punctuation">]</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
  <span class="Identifier">messages</span><span class="Punctuation">:</span> <span class="Identifier">seq</span><span class="Punctuation">[</span><span class="Identifier">string</span><span class="Punctuation">]</span>
  <span class="Identifier">count</span><span class="Punctuation">:</span> <span class="Identifier">i