code: @Override
      public InputStream openStream() {
          StringBuilder content = new StringBuilder();
          for (String providerImpl : providerImpls) {
              content.append(providerImpl).append('\n');
          }
          return new ByteArrayInputStream(content.toString().getBytes());
      }
docs: /*
  (non-Javadoc)
  
  @see org.jboss.shrinkwrap.api.Asset#openStream()