PiperOrigin-RevId: 217951017 Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
It prints sandbox stacks to the log to help debug stuckness. I expect that many more options will be added in the future. PiperOrigin-RevId: 201405931 Change-Id: I87e560800cd5a5a7b210dc25a5661363c8c3a16e