class Google::Cloud::Storage::Service

def update_bucket bucket_name,
                  bucket_gapi = nil,
                  predefined_acl: nil,
                  predefined_default_acl: nil,
                  if_metageneration_match: nil,
                  if_metageneration_not_match: nil,
                  user_project: nil,
                  options: {}
  bucket_gapi ||= Google::Apis::StorageV1::Bucket.new
  bucket_gapi.acl = [] if predefined_acl
  bucket_gapi.default_object_acl = [] if predefined_default_acl
  if options[:retries].nil?
    is_idempotent = retry? if_metageneration_match: if_metageneration_match
    options = is_idempotent ? {} : { retries: 0 }
  end
  execute do
    service.update_bucket bucket_name,
                          bucket_gapi,
                          predefined_acl: predefined_acl,
                          predefined_default_object_acl: predefined_default_acl,
                          if_metageneration_match: if_metageneration_match,
                          if_metageneration_not_match: if_metageneration_not_match,
                          user_project: user_project(user_project),
                          options: options
  end
end