upload_stream

# File activestorage/lib/active_storage/service/s3_service.rb, line 121
      def upload_stream(key,, **options, &block)
        if @transfer_manager
          @transfer_manager.upload_stream(key: key, bucket: bucket.name, **options, &block)
        else
          object_for(key).upload_stream(**options, &block)
        end
      end