syntax_data: {"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // are currently sync only. To allow async for them, we need to move those calls
context_before:         // FIXME: Drops, produced by insert_clean_drop + elaborate_coroutine_drops,
context_after:         // before expand_async_drops, and fix the related problems.