private function save_element_choices( $element_choices, $mappings, $errors ) {
        $element_choice_manager = $this->form_manager->get_child_manager( 'containers' )->get_child_manager( 'elements' )->get_child_manager( 'element_choices' );

        foreach ( $element_choices as $id => $data ) {
            if ( empty( $data['element_id'] ) || ! isset( $mappings['elements'][ $data['element_id'] ] ) ) {