});
    } catch (RejectedExecutionException e) {
      if (logger.get().isLoggable(WARNING)) {
        logger
            .get()
            .log(
                WARNING,
                String.format("while submitting close to %s; will close inline", executor),
                e);
      }
      closeQuietly(closeable, directExecutor());
    }
  }

   *
   * <p>To use a plain {@link Map} as a {@link Function}, see {@link
   * com.google.common.base.Functions#forMap(Map)} or {@link
   * com.google.common.base.Functions#forMap(Map, Object)}.
   *
   * @since 16.0
   */
  public static <A, B> Converter<A, B> asConverter(final BiMap<A, B> bimap) {
    return new BiMapConverter<>(bimap);
  }