Andrew

@dwsupplee, I correctly understood that in this issue you need to add the [code analog](https://github.com/googleapis/google-cloud-php/issues/910#issuecomment-368099378) @1tron1 to add to the Storage API? For example, like this: ``` class BucketFileSystem {...

@dwsupplee, I am working on this. I would like to coordinate the design of the solution. `$object->exists()` is based on the absence of exceptions in [`$connection->getObject(...)`](https://github.com/googleapis/google-cloud-php/blob/master/Storage/src/StorageObject.php#L147) - I think this...

Yes @bduclaux You're right. This operation [`$bucket->objects()`](https://github.com/googleapis/google-cloud-php/blob/master/Storage/src/Bucket.php#L538) will be charged as a class A operation , i.e. will cost 10 times more expensive than [`$object->exists()`](https://github.com/googleapis/google-cloud-php/blob/master/Storage/src/StorageObject.php#L147) and therefore appropriate when requesting...