code: @Override
      public String loadFile(final URI fileUri)
      {
          try {
              final URL urlLocation = Resources.getResource(this.getClass(), fileUri.getPath());
              return Resources.toString(urlLocation, Charsets.UTF_8);
          }
          catch (IOException e) {
              throw new MigratoryException(Reason.INTERNAL, e);
          }
      }
docs: This method loads a file from a classpath:/... URI.