{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"ProjectionElem::Field(Either::Right(f))"}]}
                ProjectionElem::Field(Either::Right(f)) => format_to!(result, "_{}", f.index),
                }
                &ProjectionElem::ClosureField(field) => format_to!(result, "_{field}"),