final protected function ci() {return dfc($this, function() {return
		/** @var C $c */ /** @var string $id */ /** @var array(string => mixed) $ci */
		!($c = $this->c()) || !($id = $this->ciId()) || !($ci = df_ci_get($this->m(), $c))
			? [] : dfa($ci, $id)
	;});}