use syntax::source_map::{MultiSpan, ExpnKind, DesugaringKind};
use syntax::early_buffered_lints::BufferedEarlyLintId;
use syntax::edition::Edition;
use syntax::source_map::{MultiSpan, ExpnKind, DesugaringKind};
use syntax::early_buffered_lints::BufferedEarlyLintId;
use syntax::edition::Edition;