Which file in the Snap! source code handles uploading blocks?

Which file in the Snap! source code handles uploading blocks? @bh

I need to read through it to find out how to import blocks with Javascript.

search for "serialization" in store.js.

What are the object and element parameters in the SnapSerializer.prototype.loadCustomBlocks function for? @bh @jens

Got me. Did you read the comment at the front of the file?

There's no info except for the class hierarchy.