Specifies how deep in the object graph this query will retrieve objects related to the target class. Multiple prefetches may be added to a single query.
By retrieving all objects specified by relatedClassToPrefetch via a single SELECT statement to the database, prefetching avoids lazy loads of related objects and thus improves performance.
A class in the reference path of the target object. All intermediate objects between the target object and the given relatedClassToPrefetch will be loaded by DomainObjects via a single SELECT statement to the database. The argument that you pass to this method will typically be from your GeneratedQueryFields.cs file.