use crate::imports::ImportKind;
use crate::Resolver;
-use rustc_ast::ast;
+use rustc_ast as ast;
use rustc_ast::node_id::NodeMap;
use rustc_ast::visit::{self, Visitor};
-use rustc_ast_lowering::Resolver as ResolverAstLowering;
+use rustc_ast_lowering::ResolverAstLowering;
use rustc_data_structures::fx::FxHashSet;
use rustc_errors::pluralize;
use rustc_middle::ty;