code: public static HttpFileBuilder ofResource(String path) {
          requireNonNull(path, "path");
          return ofResource(HttpFile.class.getClassLoader(), path);
      }
docs: Returns a new {@link HttpFileBuilder} that builds an {@link HttpFile} from the classpath resource
  at the specified {@code path}. This method is a shortcut of
  {@code HttpFileBuilder.ofResource(HttpFile.class.getClassLoader(), path)}.