public function maybe_alter_post_data( $post_data ) {
		global $post;

		if ( empty( $post_data['tribe_tickets_saving_attendees'] ) ) {
			return;
		}

		$storage = new Tribe__Tickets_Plus__Meta__Storage;
		$data = $storage->get_meta_data();

		if ( ! $data ) {
			return;
		}

		$keys                              = array_keys( $data );
		$product_id                        = current( $keys );
		$_POST['product_id']               = $keys;
		$_POST['quantity_' . $product_id ] = count( $data[ $product_id ] );
		$event_ids                         = tribe_tickets_get_event_ids( $product_id );
		$post                              = get_post( current( $event_ids ) );
		if ( $provider = tribe_tickets_get_ticket_provider( $product_id ) ) {
			$_POST['provider'] = get_class( $provider );
		}
	}