@Override
    public Invokable invoke(Invokation invokation, Object... parameters) {
      String interfaceName = parameters[0].toString();
      Invokable body = (Invokable) parameters[1];

      ResourceKey key = new ResourceKey("", META_INF_SERVICES + interfaceName);
      AppendServiceFile servicesFile = getServiceFiles().appendResourceFiles.get(key);
      body.invoke(new Invokation(servicesFile.consumer));
      return null;
    }
Pragma-like comment indicator just at beginning of the source file used to disable import
post-processing.
generator/src/org/immutables/generator/Output.java