syntax_data: {"ast_node_type":"other","tokens":[{"end":109,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // The block that we should jump to after drops complete. We start by building the final drop (`drops[n]`
context_after:     // in the diagram above) and then build the drops (e.g., `drop[1]`, `drop[0]`) that come before it.