code: @NonNull
    public static <K, V, K1 extends K, V1 extends V> Cache<K1, V1> build(
        @NonNull Caffeine<K, V> builder) {
      return new CaffeinatedGuavaCache<>(builder.build());
    }
docs: Returns a Caffeine cache wrapped in a Guava {@link Cache} facade.
  
  @param builder the configured cache builder
  @return a cache exposed under the Guava APIs