From 5af43f636348ac1ab9215ac8373952fdf82f784c Mon Sep 17 00:00:00 2001
From: "Timothy J. Warren" <tim@timshomepage.net>
Date: Thu, 3 Dec 2020 14:32:30 -0500
Subject: [PATCH] Fix method signature for PHP 8

---
 .travis.yml               | 2 +-
 src/ConnectionManager.php | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index e01e986..32a114d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ services:
 
 php:
   - 7.4
-  - nightly
+  - 8
 
 before_script:
   - psql -c 'DROP DATABASE IF EXISTS test;' -U postgres
diff --git a/src/ConnectionManager.php b/src/ConnectionManager.php
index e1a0fa6..d049235 100644
--- a/src/ConnectionManager.php
+++ b/src/ConnectionManager.php
@@ -59,9 +59,8 @@ final class ConnectionManager {
 	 * Prevent serialization of this object
 	 *
 	 * @throws DomainException
-	 * @return void
 	 */
-	public function __sleep(): void
+	public function __sleep()
 	{
 		throw new DomainException('No serializing of singleton');
 	}