}

          @Override
          public Map<Object, Object> loadAll(Iterable<?> keys) throws Exception {
            Map<Object, Object> result = Maps.newHashMap();
            // ignore request keys
            result.put(extraKey, extraValue);
            return result;
          }
        };
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().build(loader);

            (ImmutableList) TypeCollector.FOR_GENERIC_TYPE.collectTypes(TypeToken.this);
        return (types =
            FluentIterable.from(collectedTypes)
                .filter(TypeFilter.IGNORE_TYPE_VARIABLE_OR_WILDCARD)
                .toSet());
      } else {
        return filteredTypes;
      }
    }

    /** Returns the raw types of the types in this set, in the same order. */

          }

          @Override
          public Map<Object, Object> loadAll(Iterable<?> keys) throws Exception {
            Map<Object, Object> result = Maps.newHashMap();
            // ignore request keys
            result.put(extraKey, extraValue);
            return result;
          }
        };
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().build(loader);

   * simply use the standard method-chaining idiom, as illustrated in the documentation at top,
   * configuring a {@code CacheBuilder} and building your {@link Cache} all in a single statement.
   *
   * <p><b>Warning:</b> if you ignore the above advice, and use this {@code CacheBuilder} to build a
   * cache whose key or value type is incompatible with the weigher, you will likely experience a