{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"FnTrait::AsyncFnMut"}]}
            FnTrait::AsyncFnMut | FnTrait::FnMut => rust_ir::ClosureKind::FnMut,
            FnTrait::AsyncFnOnce | FnTrait::FnOnce => rust_ir::ClosureKind::FnOnce,
            FnTrait::AsyncFn | FnTrait::Fn => rust_ir::ClosureKind::Fn,