use rustc_middle::arena::Arena;
use rustc_middle::dep_graph::{self, DepKindStruct};
use rustc_middle::query::Key;
-use rustc_middle::ty::query::{query_keys, query_storage, query_stored, query_values};
+use rustc_middle::ty::query::{
+ query_keys, query_provided, query_provided_to_value, query_storage, query_values,
+};
use rustc_middle::ty::query::{ExternProviders, Providers, QueryEngine};
use rustc_middle::ty::TyCtxt;
use rustc_span::Span;