e</a>.</p>
<p>To create a <a href="dart-isolate/SendPort-class.html">SendPort</a>, first create a <a href="dart-isolate/ReceivePort-class.html">ReceivePort</a>, then use
<a href="dart-isolate/ReceivePort/sendPort.html">ReceivePort.sendPort</a>.</p>
<p>Since multiple isolates can each obtain the same <a href="dart-isolate/SendPort-class.html">SendPort</a> associated with
a particular <a href="dart-isolate/ReceivePort-class.html">ReceivePort</a>, the protocol built on top of this mechanism
should typically co