{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"Mutability::Mut"}]}
                    Mutability::Mut => update_result(CaptureKind::ByRef(for_mut)),
                crate::BindingMode::Ref(r) => match r {
                    Mutability::Not => update_result(CaptureKind::ByRef(BorrowKind::Shared)),