https://huggingface.co/spaces/patonlab/cascade/resolve/main/static/j2s/java/io/Externalizable.js
hf download hf://spaces/patonlab/cascade/static/j2s/java/io/Externalizable.js
curl -L -o Externalizable.js https://huggingface.co/spaces/patonlab/cascade/resolve/main/static/j2s/java/io/Externalizable.js
