app/code/Magento/AdvancedSearch/README.md
This module introduces advanced search functionality and provides interfaces that allow third-party search engines to implement this functionality.
Before disabling or uninstalling this module, note that the following modules depends on this module:
For information about module installation, see Enable or disable modules.
Extension developers can interact with this module. For more information about the extension mechanism, see Plugins.
The dependency injection mechanism enables you to override the functionality of this module.
This module observes the following event:
catalogsearch_query_save_after in the Magento\AdvancedSearch\Model\Recommendations\SaveSearchQueryRelationsObserver file.For information about an event, see Events and observers.
The module interacts with the following layout handles in the view/adminhtml/layout directory:
catalog_search_blockcatalog_search_editcatalog_search_relatedgridThe module interacts with the following layout handles in the view/frontend/layout directory:
catalogsearch_result_indexFor more information about layouts, see the Layout documentation.