@Test
  public void testByteArrayDecode() throws Throwable {
    byte[] data = ByteStreams.toByteArray(getTestWebpInputStream());
    final Bitmap bitmap = mWebpBitmapFactory.decodeByteArray(data, 0, data.length, null);

    // NULLSAFE_FIXME[Parameter Not Nullable]
    testBitmapDefault(bitmap, 20, 20);
  }
Return input stream for lossless webp

@return InputStream instance
static-webp/src/androidTest/java/com/facebook/webpsupport/WebpBitmapFactoryTest.java