{"ast_node_type":"import","tokens":[{"end":28,"kind":"keyword","start":0,"text":"use"}]}
use rustc_session::config::{
use rustc_parse::{new_parser_from_file, new_parser_from_source_str, unwrap_or_emit_fatal};
    CG_OPTIONS, CrateType, ErrorOutputType, Input, OptionDesc, OutFileName, OutputType, Sysroot,