DatabasePresenceVerifierInterface

setConnection($connection)

@param string|null $connection
@return void

1. v11.0.0 追加

   変更後

   setConnection($connection) [@param string $connection, @return void]

2. v13.39.0 シグネチャ変更

   変更前

   setConnection($connection) [@param string $connection, @return void]

   変更後

   setConnection($connection) [@param string|null $connection, @return void]