ntee that any in process loads do not finish. It also may be
 called before a load starts or after it finishes.

 <p> The best way to use this method is to cancel any loads that have not yet started, but allow
 those that are in process to finish since its we typically will want to display the same
 resource in a different view in the near future. </p>

 <p> Note - this method will be run on the main thread so it should not perform blocking
 operations and should finish quickly. </p></div>
<dl>
<dt><span cl