{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"hir::Mutability::Mut"}]}
                            hir::Mutability::Mut => "Pin<&mut ",
                        Some(probe::AutorefOrPtrAdjustment::ReborrowPin(mutbl)) => match mutbl {
                            hir::Mutability::Not => "Pin<&",