code: public @Nonnull Optional<ResourceLoader> getLoaderForBasePath(@Nonnull String basePath) {
          ArgumentUtils.requireNonNull("basePath", basePath);
          Optional<ResourceLoader> resourceLoader = getSupportingLoader(basePath);
          return resourceLoader.map(rl -> rl.forBase(basePath));
      }
docs: Searches resource loaders for one that supports the given path. If found, create a new loader with the
  context of the base path.
  
  @param basePath The path to load resources from
  @return An optional resource loader