public function get_discussions_in_forum_vault() : discussion_list_vault {
        return new discussion_list_vault(
            $this->db,
            $this->entityfactory,
            $this->legacymapper->get_legacy_data_mapper_for_vault('discussion')
        );
    }
public function get_discussions_in_forum_vault() : discussion_list_vault {
        return new discussion_list_vault(
            $this->db,
            $this->entityfactory,
            $this->legacymapper->get_legacy_data_mapper_for_vault('discussion')
        );
    }
public function get_discussions_in_forum_vault ( ) : discussion_list_vault { return new discussion_list_vault ( $ this -> db , $ this -> entityfactory , $ this -> legacymapper -> get_legacy_data_mapper_for_vault ( 'discussion' ) ) ; }
Create a discussion list vault.

@return discussion_list_vault
Create a discussion list vault .