{"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"it.colon_token()?;"}]}
                    it.colon_token()?;
                ast::Param(it) => {
                    TypeLocation::TypeAscription(TypeAscriptionTarget::FnParam(find_opt_node_in_file(original_file, it.pat())))