use rustc_expand::base::{ExtCtxt, Resolver};
use rustc_expand::expand::{AstFragment, ExpansionConfig};
use rustc_span::hygiene::AstPass;
use rustc_expand::base::{ExtCtxt, Resolver};
use rustc_expand::expand::{AstFragment, ExpansionConfig};
use rustc_span::hygiene::AstPass;