{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"//!"}]}
//!   `ty::FnDef`), we have to just onconditionally add this as a mentioned item.
//!   collected on generic MIR -- so any time the collector checks for a particular type (such as
//! - In `visit_mentioned_item`, we then do with that mentioned item exactly what the collector