{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"//!"}]}
//!   collected on generic MIR -- so any time the collector checks for a particular type (such as
//!   in sync. However, while the collector works on monomorphized types, mentioned items are
//!   `ty::FnDef`), we have to just onconditionally add this as a mentioned item.