WP_Rewrite::add_permastruct()
Method: Adds a new permalink structure.
Source: wp-includes/class-wp-rewrite.php:1797
WP_Rewrite::get_extra_permastruct()
Method: Retrieves an extra permalink structure by name.
Source: wp-includes/class-wp-rewrite.php:642
author_rewrite_rules
Filter Hook: Filters rewrite rules used for author archives.
Source: wp-includes/class-wp-rewrite.php:1390
WP_Rewrite::remove_permastruct()
Method: Removes a permalink structure.
Source: wp-includes/class-wp-rewrite.php:1835