Add @throws keywords

src/Drivers/AbstractDriver.php

@@ -64,6 +64,7 @@ abstract class AbstractDriver implements DriverInterface
     /**
      * {@inheritdoc}
      *
+     * @throws NotSupportedException
      * @see DriverInterface::specializeMultiple()
      */
     public function specializeMultiple(array $objects): array

src/Drivers/Gd/Driver.php

@@ -72,6 +72,7 @@ class Driver extends AbstractDriver
     /**
      * {@inheritdoc}
      *
+     * @throws RuntimeException
      * @see DriverInterface::createAnimation()
      */
     public function createAnimation(callable $init): ImageInterface

src/Drivers/Imagick/Driver.php

@@ -71,6 +71,7 @@ class Driver extends AbstractDriver
     /**
      * {@inheritdoc}
      *
+     * @throws RuntimeException
      * @see DriverInterface::createAnimation()
      */
     public function createAnimation(callable $init): ImageInterface