class method self.new

# File activestorage/lib/active_storage/service/s3_service.rb, line 17
    def initialize(bucket:, upload: {}, public: false, default_digest_type: :md5, **options)
      @client = Aws::S3::Resource.new(**options)
      @transfer_manager = Aws::S3::TransferManager.new(client: @client.client) if defined?(Aws::S3::TransferManager)
      @bucket = @client.bucket(bucket)

      @default_digest_type = default_digest_type.downcase.to_sym
      @default_digest_class = digest_to_class(@default_digest_type)

      @multipart_upload_threshold = upload.delete(:multipart_threshold) || 100.megabytes
      @public = public

      @upload_options = upload
      @upload_options[:acl] = "public-read" if public?
    end