public function sync_shared_capacity( $object_id, $event_capacity ) {

		// We don't accept any non-numeric values here.
		if ( ! is_numeric( $event_capacity ) ) {
			return false;
		}

		// Make sure we are updating the Shared Stock when we update it's capacity.
		$object_stock = new Tribe__Tickets__Global_Stock( $object_id );

		// Make sure that we have stock enabled (backwards compatibility).
		$object_stock->enable();

		$completes = [];

		// Get all Tickets.
		$tickets = $this->get_tickets_ids( $object_id );

		// If no tickets are available and capacity is set then it should be true.
		$has_shared_cap_tickets = empty( $tickets );

		foreach ( $tickets as $ticket ) {
			$mode = get_post_meta( $ticket, Tribe__Tickets__Global_Stock::TICKET_STOCK_MODE, true );

			// Skip any tickets that are not Shared.
			if (
				Tribe__Tickets__Global_Stock::GLOBAL_STOCK_MODE !== $mode
				&& Tribe__Tickets__Global_Stock::CAPPED_STOCK_MODE !== $mode
			) {
				continue;
			}

			$has_shared_cap_tickets = true;

			$capacity = tribe_tickets_get_capacity( $ticket );

			// When Global Capacity is higher than local ticket one's we bail.
			if (
				Tribe__Tickets__Global_Stock::CAPPED_STOCK_MODE === $mode
			) {
				$capped_capacity = $capacity;
				if ( $event_capacity < $capacity ) {
					$capped_capacity = $event_capacity;
				}

				// Otherwise we update tickets required.
				tribe_tickets_update_capacity( $ticket, $capped_capacity );
			}

			$totals = $this->get_ticket_totals( $ticket );
			$completes[] = $complete = $totals['pending'] + $totals['sold'];

			$stock = $event_capacity - $complete;
			update_post_meta( $ticket, '_stock', $stock );

			// Makes sure we mark it as in Stock for the status.
			if ( 0 !== $stock ) {
				update_post_meta( $ticket, '_stock_status', 'instock' );
			}
		}

		// Setup the Stock level.
		$new_object_stock = $event_capacity - array_sum( $completes );
		$object_stock->set_stock_level( $new_object_stock );

		if ( ! $has_shared_cap_tickets ) {
			$object_stock->disable();
			$object_stock->set_stock_level( 0 );
			tribe_tickets_delete_capacity( $object_id );
		}

		return true;
	}