      *  Initiates a content request for the resource identified
      *  by the key specified.
      *
-     *  @param source Unique key used to represent the requested content resource.
+     *  @param source Unique key used to represent the requested content resource. 
+     *  This parameter is typically an URL or URLRequest.
      *
-     *  @param contentGrouping - (Optional) grouping identifier for the loaded resource.
+     *  @param contentLoaderGrouping - (Optional) grouping identifier for the loaded resource.
      *  ContentLoader instances supporting content groups generally allow for 
      *  resources within the same named grouping to be addressed as a whole. For 
      *  example the ContentCache's loader queue allows requests to be prioritized
-     *  by contentGrouping.  
+     *  by contentLoaderGrouping.  
      *
      *  @return A ContentRequest instance representing the requested resource.
      *  

     *  @playerversion AIR 1.5
     *  @productversion Flex 4.5
     */
    function load(source:Object, contentGrouping:String=null):ContentRequest;       
}
}

//
////////////////////////////////////////////////////////////////////////////////

package spark.core
{
	
import flash.events.IEventDispatcher;
import spark.core.ContentRequest;

/**
 *  Provides custom image/content loader for BitmapImage instances.
