{"ast_node_type":"other","tokens":[{"end":106,"kind":"keyword","start":0,"text":"///"}]}
    /// Both `drop` and `async_fut` fields are only used in compiler/rustc_mir_transform/src/coroutine.rs,
    ///   layout object as coroutine itself. So `async_fut` will be `None` for coroutine drop.
    ///   StateTransform pass. In `expand_async_drops` async drops are expanded