This is an internal helper interface for communication between the
 main thread and the dbservice worker thread.  It is called for each
 lookup to provide a set of possible results, which the main thread
 may need to expand using an nsIUrlClassifierCompleter.
[uuid(f1dc83c6-ad43-4f0f-a809-fd43de7de8a4)]
interface nsIUrlClassifierLookupCallback : nsISupports

Methods

 The lookup process is complete.

 @param results
        If this parameter is null, there were no results found.
        If not, it contains an array of nsUrlClassifierEntry objects
        with possible matches.  The callee is responsible for freeing
        this array.
void lookupComplete(in ResultArray results)