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

@return discussion_vault
Create a discussion vault .