public function remove_sale_price_data( Ticket_Object $ticket ): void {
		$keys = [
			static::$sale_price_checked_key,
			static::$sale_price_key,
			static::$sale_price_start_date_key,
			static::$sale_price_end_date_key,
		];

		foreach ( $keys as $key ) {
			delete_post_meta( $ticket->ID, $key );
		}
	}