+use rustc_ast::token;
use rustc_data_structures::sync::{Lock, Lrc};
use rustc_errors::{emitter::Emitter, Applicability, Diagnostic, Handler};
use rustc_parse::lexer::StringReader as Lexer;
use rustc_session::parse::ParseSess;
use rustc_span::source_map::{FilePathMapping, SourceMap};
use rustc_span::{FileName, InnerSpan};
-use syntax::token;
use crate::clean;
use crate::core::DocContext;