docs: public static LottieTask<LottieComposition> fromJsonInputStream(final InputStream stream, @Nullable final String cacheKey) {
      return cache(cacheKey, new Callable<LottieResult<LottieComposition>>() {
        @Override public LottieResult<LottieComposition> call() {
          return fromJsonInputStreamSync(stream, cacheKey);
        }
      });
    }