Confluence SearchResultRenderer missing since 5.2.3

P2 add-ons used to be able to implement Confluence's SearchResultRenderer interface to display their content in a nicer way in search results.

For example, we at Gliffy used to utilize this hook so that diagrams in search results linked to preview images. Currently, since the hook is broken, the result link displays the JSON content of diagrams, which is obviously not useful to our users.

This functionality seems to be missing since Confluence 5.2. Here is a recent Atlassian answer which notes the removal: https://answers.atlassian.com/questions/307952/create-a-search-result-renderer

Please put this functionality back in, or let us know what the new way to do this is. Thank you!

The current workaround is to click the gray Confluence page link below the search result description: