{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"file_to_file_index.insert(file_ptr,"}]}
                    file_to_file_index.insert(file_ptr, index);
                    let file_ptr: *const SourceFile = &raw const **file;
                    let source_file_id = EncodedSourceFileId::new(tcx, file);