/**
* List of interwiki prefixes for wikis we'll accept as sources for
- * Special:Import (for sysops). Since complete page history can be imported,
- * these should be 'trusted'.
+ * Special:Import and API action=import. Since complete page history can be
+ * imported, these should be 'trusted'.
*
* This can either be a regular array, or an associative map specifying
* subprojects on the interwiki map of the target wiki, or a mix of the two,
* );
* @endcode
*
+ * If you have a very complex import sources setup, you can lazy-load it using
+ * the ImportSources hook.
+ *
* If a user has the 'import' permission but not the 'importupload' permission,
* they will only be able to run imports through this transwiki interface.
*/