Method: Adds hooks

Method: Returns true if the additional listing page is active or too old to have and active switch.

Method: Callback on post_type_archive_title. Changes page titles for listings pages.

Method: Turns additional listing page rules into SQL query pieces.

Method: True or false, a given additional listing page rule has settings that allow us to create the page. User might not provide the URL path, for example.

Method: Changes the query to satisfy the rule for this listings page

Method: Adds hooks

Method: Adds rewrite rules so WordPress recognizes the places where users want the additional listing pages to live.

Method: Adds rewrite slugs