BC, removed return types on non-final classes

lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php

@@ -26,7 +26,6 @@ use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Platforms\MariaDb1027Platform;
 use Doctrine\DBAL\Platforms\MySQL57Platform;
 use Doctrine\DBAL\Platforms\MySqlPlatform;
-use Doctrine\DBAL\Schema\AbstractSchemaManager;
 use Doctrine\DBAL\Schema\MySqlSchemaManager;
 use Doctrine\DBAL\VersionAwarePlatformDriver;
 
@@ -207,7 +206,7 @@ abstract class AbstractMySQLDriver implements Driver, ExceptionConverterDriver,
      * {@inheritdoc}
      * @return MySqlPlatform
      */
-    public function getDatabasePlatform() : AbstractPlatform
+    public function getDatabasePlatform()
     {
         return new MySqlPlatform();
     }
@@ -216,7 +215,7 @@ abstract class AbstractMySQLDriver implements Driver, ExceptionConverterDriver,
      * {@inheritdoc}
      * @return MySqlSchemaManager
      */
-    public function getSchemaManager(\Doctrine\DBAL\Connection $conn) : AbstractSchemaManager
+    public function getSchemaManager(\Doctrine\DBAL\Connection $conn)
     {
         return new MySqlSchemaManager($conn);
     }

lib/Doctrine/DBAL/Driver/DrizzlePDOMySql/Driver.php

@@ -49,15 +49,16 @@ class Driver extends \Doctrine\DBAL\Driver\PDOMySql\Driver
     /**
      * {@inheritdoc}
      */
-    public function createDatabasePlatformForVersion($version) : AbstractPlatform
+    public function createDatabasePlatformForVersion($version)
     {
         return $this->getDatabasePlatform();
     }
 
     /**
      * {@inheritdoc}
+     * @return DrizzlePlatform
      */
-    public function getDatabasePlatform() : AbstractPlatform
+    public function getDatabasePlatform()
     {
         return new DrizzlePlatform();
     }
@@ -65,7 +66,7 @@ class Driver extends \Doctrine\DBAL\Driver\PDOMySql\Driver
     /**
      * {@inheritdoc}
      */
-    public function getSchemaManager(\Doctrine\DBAL\Connection $conn) : AbstractSchemaManager
+    public function getSchemaManager(\Doctrine\DBAL\Connection $conn)
     {
         return new DrizzleSchemaManager($conn);
     }