Its in the doc comments for BundleCollection.AddDefaultFileOrderings:
/// <summary>
/// Add default file ordering for common popuular script and style libraries.
/// </summary>
/// <param name="list">A collection of <see cref="BundleFileSetOrdering"/> objects to populate with default values.</param>
/// <remarks>
/// The purpose for applying these default file ordering values is to ensure that common libraries such as jquery are always located
/// at or close to the top within a bundle. These values can be all removed with <see cref="ResetAll"/>.
///
/// The default ordering values are as follows:
/// <list type="bullet">
/// <item><description>reset.css</description></item>
/// <item><description>normalize.css</description></item>
/// <item><description>jquery.js</description></item>
/// <item><description>jquery-min.js</description></item>
/// <item><description>jquery-*</description></item>
/// <item><description>jquery-ui*</description></item>
/// <item><description>jquery.ui*</description></item>
/// <item><description>jquery.unobtrusive*</description></item>
/// <item><description>jquery.validate*</description></item>
/// <item><description>modernizr-*</description></item>
/// <item><description>dojo.*</description></item>
/// <item><description>mootools-core*</description></item>
/// <item><description>mootools-*</description></item>
/// <item><description>prototype.js</description></item>
/// <item><description>prototype-*</description></item>
/// <item><description>scriptaculous-*</description></item>
/// <item><description>ext.js</description></item>
/// <item><description>ext-*</description></item>
/// </list>
/// </remarks>
public static void AddDefaultFileOrderings(IList<BundleFileSetOrdering> list) {
if (list == null) {
throw new ArgumentNullException("list");
}
BundleFileSetOrdering css = new BundleFileSetOrdering("css");
css.Files.Add("reset.css");
css.Files.Add("normalize.css");
list.Add(css);
BundleFileSetOrdering jquery = new BundleFileSetOrdering("jquery");
jquery.Files.Add("jquery.js");
jquery.Files.Add("jquery-min.js");
jquery.Files.Add("jquery-*");
jquery.Files.Add("jquery-ui*");
jquery.Files.Add("jquery.ui*");
jquery.Files.Add("jquery.unobtrusive*");
jquery.Files.Add("jquery.validate*");
list.Add(jquery);
BundleFileSetOrdering mod = new BundleFileSetOrdering("modernizr");
mod.Files.Add("modernizr-*");
list.Add(mod);
BundleFileSetOrdering dojo = new BundleFileSetOrdering("dojo");
dojo.Files.Add("dojo.*");
list.Add(dojo);
BundleFileSetOrdering moo = new BundleFileSetOrdering("moo");
moo.Files.Add("mootools-core*");
moo.Files.Add("mootools-*");
list.Add(moo);
BundleFileSetOrdering proto = new BundleFileSetOrdering("prototype");
proto.Files.Add("prototype.js");
proto.Files.Add("prototype-*");
proto.Files.Add("scriptaculous-*");
list.Add(proto);
BundleFileSetOrdering ext = new BundleFileSetOrdering("ext");
ext.Files.Add("ext.js");
ext.Files.Add("ext-*");
list.Add(ext);
}