syntax_data: {"ast_node_type":"import","tokens":[{"end":69,"kind":"keyword","start":0,"text":"use"}]}
source_snippet: use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
context_before: use md5::{Digest, Md5};
context_after: use rustc_data_structures::sync::{FreezeLock, FreezeWriteGuard, Lock};