GoogleCloudSamples.QuickStart.RemoveObjectOwner C# (CSharp) Method

        private void RemoveObjectOwner(string bucketName, string objectName,
            string userEmail)
        {
            var storage = StorageClient.Create();
            var storageObject = storage.GetObject(bucketName, objectName,
                new GetObjectOptions() { Projection = Projection.Full });
            if (null == storageObject.Acl)
                return;
            storageObject.Acl = storageObject.Acl.Where((acl) =>
                !(acl.Entity == $"user-{userEmail}" && acl.Role == "OWNER")
                ).ToList();
            var updatedObject = storage.UpdateObject(storageObject, new UpdateObjectOptions()
            {
                // Avoid race conditions.
                IfMetagenerationMatch = storageObject.Metageneration,
            });
        }