{"ast_node_type":"import","tokens":[{"end":56,"kind":"keyword","start":0,"text":"use"}]}
use rustc_middle::query::erase::{Erase, erase, restore};
use rustc_middle::dep_graph::{self, DepKind, DepKindStruct, DepNodeIndex};
use rustc_middle::query::on_disk_cache::{CacheEncoder, EncodedDepNodeIndex, OnDiskCache};