{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"self.tcx.get_diagnostic_item(sym::AsMut),"}]}
                    self.tcx.get_diagnostic_item(sym::AsMut),
                    self.tcx.get_diagnostic_item(sym::AsRef),
                    self.tcx.get_diagnostic_item(sym::Borrow),