checkbox() for the checkbox * which controls this. * @param bool $reverse - hide on check instead of show on check. * * @return void */ public function hide_element( $controlling_checkbox, $element_key = null, $reverse = false ): void; /** * Outputs a with id and name filled. * * @param string $name - Name of field. * @param string|null $element_to_reveal - Element to reveal/hide when box is checked/unchecked. * * @return void */ public function checkbox( $name, $element_to_reveal = null ): void; }