code: @Deprecated
      public static synchronized void initializeFromResource(
              final ClassLoader classLoader,
              final String name) {
  
          try {
              regionMetadata = loadMetadataFromResource(classLoader, name);
          } catch (IOException exception) {
              throw new SdkClientException(
                      "Error parsing region metadata from resource " + name,
                      exception);
          }
      }
docs: Initializes the region metadata singleton from the given resource.
  
  @param classLoader the class loader to use to load the resource
  @param name        the path to the resource
  @throws SdkClientException on error