public function save_custom_field_values() {
		$options = Tribe__Settings_Manager::get_options();
		if ( empty( $options['custom-fields'] ) || ! is_array( $options['custom-fields'] ) ) {
			return $options;
		}
		$gutenberg_fields = $this->gutenberg_custom_fields_canonical_keys(
			tribe_get_request_var( 'custom-field-gutenberg-editor', array() )
		);
		foreach ( $options['custom-fields'] as $index => $field ) {
			$checked = isset( $gutenberg_fields[ $index ] ) && '1' === $gutenberg_fields[ $index ];
			$options['custom-fields'][ $index ]['gutenberg_editor'] = $checked;
		}
		Tribe__Settings_Manager::set_options( $options, false );
	}