syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // (finally in open_drop_for_tuple) before async drop expansion.
context_before:         // We need to insert clean drop for unresumed state and perform drop elaboration
context_after:         // Async drops, produced by this drop elaboration, will be expanded,