Flex vs AS3 Font Embedding

MyASFont.as

package 
{
import flash.text.Font;

// This will not generate any ActionScript!
[Embed(source="MyFont.otf", fontFamily="myFont", mimeType='application/x-font')]
public class MyFont extends Font
{
    public function MyFont()
    { 
	    super(); 
    }
}
}

MyFlexFont.as

package
{
	public class MyFlexFont
	{
		[Embed(source="MyFont.otf", fontFamily="myFont", mimeType='application/x-font')]
		private var myFont:Class;
	}
}

MyFlexFont_myFont.as

package 
{
import mx.core.FontAsset;

[ExcludeClass]
[Embed(_resolvedSource="/private/tmp/font/MyFont.otf", _column="3", source="MyFont.otf", exportSymbol="MyFlexFont_myFont", _line="5", fontFamily="myFont", _file="/private/tmp/font/MyFlexFont.as", mimeType="application/x-font")]

public class MyFlexFont_myFont extends mx.core.FontAsset 
{
    public function MyFlexFont_myFont() 
    { 
	    super(); 
    }

}

}