Merge branch 'master'

Author: gplanchat

src/Service.php

@@ -18,7 +18,7 @@
         'php-etl/bucket:~0.2.0@dev',
     ],
     steps: [
-        null => "transformer",
+        new Configurator\Pipeline\StepTransformer(null),
     ],
 )]
 final class Service implements Configurator\PipelinePluginInterface