remove return type declaration from __sleep()

This commit is contained in:
Christian Flothmann 2019-11-22 13:40:21 +01:00
parent bfae515d52
commit bedad35e59

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@ -288,7 +288,7 @@ abstract class Constraint
*
* @internal
*/
public function __sleep(): array
public function __sleep()
{
// Initialize "groups" option if it is not set
$this->groups;